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Finding the Fourth Proportional to 411,425.97, 567,539.28 and 239,324.55

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Solution

The fourth proportional to 411,425.97, 567,539.28 and 239,324.55 is: 330,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,425.97 : 567,539.28 = 239,324.55 : x
  2. Step 2: Convert to fraction form
    411,425.97/567,539.28 = 239,324.55/x
  3. Step 3: Cross multiply
    411,425.97x = 567,539.28 × 239,324.55
  4. Step 4: Simplify right side
    411,425.97x = 135,826,082,793.32
  5. Step 5: Solve for x
    x = 135,826,082,793.32/411,425.97
  6. Step 6: Final answer
    x = 330,134.93

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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.