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Finding the Fourth Proportional to 396,372.38, 546,838.17 and 226,515.38

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Solution

The fourth proportional to 396,372.38, 546,838.17 and 226,515.38 is: 312,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,372.38 : 546,838.17 = 226,515.38 : x
  2. Step 2: Convert to fraction form
    396,372.38/546,838.17 = 226,515.38/x
  3. Step 3: Cross multiply
    396,372.38x = 546,838.17 × 226,515.38
  4. Step 4: Simplify right side
    396,372.38x = 123,867,255,876.06
  5. Step 5: Solve for x
    x = 123,867,255,876.06/396,372.38
  6. Step 6: Final answer
    x = 312,502.24

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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.