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Finding the Fourth Proportional to 534,452.70, 800,123.85 and 472,244.70

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Solution

The fourth proportional to 534,452.70, 800,123.85 and 472,244.70 is: 706,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,452.70 : 800,123.85 = 472,244.70 : x
  2. Step 2: Convert to fraction form
    534,452.70/800,123.85 = 472,244.70/x
  3. Step 3: Cross multiply
    534,452.70x = 800,123.85 × 472,244.70
  4. Step 4: Simplify right side
    534,452.70x = 377,854,247,506.10
  5. Step 5: Solve for x
    x = 377,854,247,506.10/534,452.70
  6. Step 6: Final answer
    x = 706,992.87

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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.