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Finding the Fourth Proportional to 396,575.92, 547,275.47 and 226,810.05

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Solution

The fourth proportional to 396,575.92, 547,275.47 and 226,810.05 is: 312,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,575.92 : 547,275.47 = 226,810.05 : x
  2. Step 2: Convert to fraction form
    396,575.92/547,275.47 = 226,810.05/x
  3. Step 3: Cross multiply
    396,575.92x = 547,275.47 × 226,810.05
  4. Step 4: Simplify right side
    396,575.92x = 124,127,576,714.47
  5. Step 5: Solve for x
    x = 124,127,576,714.47/396,575.92
  6. Step 6: Final answer
    x = 312,998.27

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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.