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Finding the Fourth Proportional to 664,793.76, 998,076.24 and 565,591.44

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Solution

The fourth proportional to 664,793.76, 998,076.24 and 565,591.44 is: 849,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,793.76 : 998,076.24 = 565,591.44 : x
  2. Step 2: Convert to fraction form
    664,793.76/998,076.24 = 565,591.44/x
  3. Step 3: Cross multiply
    664,793.76x = 998,076.24 × 565,591.44
  4. Step 4: Simplify right side
    664,793.76x = 564,503,377,811.39
  5. Step 5: Solve for x
    x = 564,503,377,811.39/664,793.76
  6. Step 6: Final answer
    x = 849,140.61

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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.