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Finding the Fourth Proportional to 527,898.10, 791,847.15 and 520,024.90

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Solution

The fourth proportional to 527,898.10, 791,847.15 and 520,024.90 is: 780,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,898.10 : 791,847.15 = 520,024.90 : x
  2. Step 2: Convert to fraction form
    527,898.10/791,847.15 = 520,024.90/x
  3. Step 3: Cross multiply
    527,898.10x = 791,847.15 × 520,024.90
  4. Step 4: Simplify right side
    527,898.10x = 411,780,234,994.04
  5. Step 5: Solve for x
    x = 411,780,234,994.04/527,898.10
  6. Step 6: Final answer
    x = 780,037.35

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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.