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Finding the Fourth Proportional to 527,227.60, 789,286.20 and 496,469.20

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Solution

The fourth proportional to 527,227.60, 789,286.20 and 496,469.20 is: 743,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,227.60 : 789,286.20 = 496,469.20 : x
  2. Step 2: Convert to fraction form
    527,227.60/789,286.20 = 496,469.20/x
  3. Step 3: Cross multiply
    527,227.60x = 789,286.20 × 496,469.20
  4. Step 4: Simplify right side
    527,227.60x = 391,856,288,285.04
  5. Step 5: Solve for x
    x = 391,856,288,285.04/527,227.60
  6. Step 6: Final answer
    x = 743,239.33

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1.5x scale

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.