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Finding the Fourth Proportional to 576,175.20, 862,221.60 and 502,108.80

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Solution

The fourth proportional to 576,175.20, 862,221.60 and 502,108.80 is: 751,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,175.20 : 862,221.60 = 502,108.80 : x
  2. Step 2: Convert to fraction form
    576,175.20/862,221.60 = 502,108.80/x
  3. Step 3: Cross multiply
    576,175.20x = 862,221.60 × 502,108.80
  4. Step 4: Simplify right side
    576,175.20x = 432,929,052,910.08
  5. Step 5: Solve for x
    x = 432,929,052,910.08/576,175.20
  6. Step 6: Final answer
    x = 751,384.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.