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Finding the Fourth Proportional to 527,532.72, 790,397.52 and 377,003.92

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Solution

The fourth proportional to 527,532.72, 790,397.52 and 377,003.92 is: 564,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,532.72 : 790,397.52 = 377,003.92 : x
  2. Step 2: Convert to fraction form
    527,532.72/790,397.52 = 377,003.92/x
  3. Step 3: Cross multiply
    527,532.72x = 790,397.52 × 377,003.92
  4. Step 4: Simplify right side
    527,532.72x = 297,982,963,398.28
  5. Step 5: Solve for x
    x = 297,982,963,398.28/527,532.72
  6. Step 6: Final answer
    x = 564,861.58

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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.