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Finding the Fourth Proportional to 396,251.78, 546,827.44 and 226,489.56

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Solution

The fourth proportional to 396,251.78, 546,827.44 and 226,489.56 is: 312,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,251.78 : 546,827.44 = 226,489.56 : x
  2. Step 2: Convert to fraction form
    396,251.78/546,827.44 = 226,489.56/x
  3. Step 3: Cross multiply
    396,251.78x = 546,827.44 × 226,489.56
  4. Step 4: Simplify right side
    396,251.78x = 123,850,706,281.53
  5. Step 5: Solve for x
    x = 123,850,706,281.53/396,251.78
  6. Step 6: Final answer
    x = 312,555.58

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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.