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Finding the Fourth Proportional to 576,539.52, 864,513.57 and 337,121.20

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Solution

The fourth proportional to 576,539.52, 864,513.57 and 337,121.20 is: 505,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,539.52 : 864,513.57 = 337,121.20 : x
  2. Step 2: Convert to fraction form
    576,539.52/864,513.57 = 337,121.20/x
  3. Step 3: Cross multiply
    576,539.52x = 864,513.57 × 337,121.20
  4. Step 4: Simplify right side
    576,539.52x = 291,445,854,479.53
  5. Step 5: Solve for x
    x = 291,445,854,479.53/576,539.52
  6. Step 6: Final answer
    x = 505,508.90

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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.