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: [130.273, 148.394, -31.042, 67.933, 217.076]
A: 
[ 0.245  0.279 -0.058  0.128  0.408]