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.

Example Input: [211.384, 163.538, 5.985, -28.884, 200.724]
Example Output: [ 0.382  0.296  0.011 -0.052  0.363]

Example Input: [-4.627, 207.365, 17.961, 35.253, 44.741, -32.505]
Example Output: [-0.017  0.773  0.067  0.131  0.167 -0.121]

Example Input: [-82.152, 90.171, 81.645, 125.812, 58.913, 82.414, 164.646]
Example Output:
[-0.158  0.173  0.157  0.241  0.113  0.158  0.316]