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Finding the Fourth Proportional to 587,414.80, 880,138.05 and 502,777.90

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Solution

The fourth proportional to 587,414.80, 880,138.05 and 502,777.90 is: 753,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,414.80 : 880,138.05 = 502,777.90 : x
  2. Step 2: Convert to fraction form
    587,414.80/880,138.05 = 502,777.90/x
  3. Step 3: Cross multiply
    587,414.80x = 880,138.05 × 502,777.90
  4. Step 4: Simplify right side
    587,414.80x = 442,513,960,489.10
  5. Step 5: Solve for x
    x = 442,513,960,489.10/587,414.80
  6. Step 6: Final answer
    x = 753,324.50

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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.