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Finding the Fourth Proportional to 396,116.85, 594,350.24 and 159,920.85

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Solution

The fourth proportional to 396,116.85, 594,350.24 and 159,920.85 is: 239,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,116.85 : 594,350.24 = 159,920.85 : x
  2. Step 2: Convert to fraction form
    396,116.85/594,350.24 = 159,920.85/x
  3. Step 3: Cross multiply
    396,116.85x = 594,350.24 × 159,920.85
  4. Step 4: Simplify right side
    396,116.85x = 95,048,994,778.90
  5. Step 5: Solve for x
    x = 95,048,994,778.90/396,116.85
  6. Step 6: Final answer
    x = 239,951.91

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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.