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Finding the Fourth Proportional to 567,961.40, 853,691.70 and 536,468.60

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Solution

The fourth proportional to 567,961.40, 853,691.70 and 536,468.60 is: 806,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,961.40 : 853,691.70 = 536,468.60 : x
  2. Step 2: Convert to fraction form
    567,961.40/853,691.70 = 536,468.60/x
  3. Step 3: Cross multiply
    567,961.40x = 853,691.70 × 536,468.60
  4. Step 4: Simplify right side
    567,961.40x = 457,978,791,130.62
  5. Step 5: Solve for x
    x = 457,978,791,130.62/567,961.40
  6. Step 6: Final answer
    x = 806,355.49

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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.