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: [155.001, 130.737, 111.412, 5.586, -45.409]
A: 
[ 0.434  0.366  0.312  0.016 -0.127]