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Finding the Fourth Proportional to 396,284.52, 546,872.55 and 226,522.29

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Solution

The fourth proportional to 396,284.52, 546,872.55 and 226,522.29 is: 312,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,284.52 : 546,872.55 = 226,522.29 : x
  2. Step 2: Convert to fraction form
    396,284.52/546,872.55 = 226,522.29/x
  3. Step 3: Cross multiply
    396,284.52x = 546,872.55 × 226,522.29
  4. Step 4: Simplify right side
    396,284.52x = 123,878,822,364.14
  5. Step 5: Solve for x
    x = 123,878,822,364.14/396,284.52
  6. Step 6: Final answer
    x = 312,600.71

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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.