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Finding the Fourth Proportional to 567,974.40, 853,711.20 and 536,481.60

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Solution

The fourth proportional to 567,974.40, 853,711.20 and 536,481.60 is: 806,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,974.40 : 853,711.20 = 536,481.60 : x
  2. Step 2: Convert to fraction form
    567,974.40/853,711.20 = 536,481.60/x
  3. Step 3: Cross multiply
    567,974.40x = 853,711.20 × 536,481.60
  4. Step 4: Simplify right side
    567,974.40x = 458,000,350,513.92
  5. Step 5: Solve for x
    x = 458,000,350,513.92/567,974.40
  6. Step 6: Final answer
    x = 806,374.99

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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.