In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [171.633, -35.044, -47.444, 7.302]
A: 
[ 1.78  -0.363 -0.492  0.076]