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Finding the Fourth Proportional to 396,920.20, 547,737.24 and 227,150.68

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Solution

The fourth proportional to 396,920.20, 547,737.24 and 227,150.68 is: 313,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,920.20 : 547,737.24 = 227,150.68 : x
  2. Step 2: Convert to fraction form
    396,920.20/547,737.24 = 227,150.68/x
  3. Step 3: Cross multiply
    396,920.20x = 547,737.24 × 227,150.68
  4. Step 4: Simplify right side
    396,920.20x = 124,418,886,527.32
  5. Step 5: Solve for x
    x = 124,418,886,527.32/396,920.20
  6. Step 6: Final answer
    x = 313,460.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.