Select that missing pair (Third number : Fourth number) which is related in the same way as the first number is related to the second numbe…

Select that missing pair (Third number : Fourth number) which is related in the same way as the first number is related to the second number and fifth number is related to sixth number. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g.13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed) 442 : 633 :: ? :: 186 : 377