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Finding the Fourth Proportional to 415,944.62, 574,001.90 and 234,656.55

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Solution

The fourth proportional to 415,944.62, 574,001.90 and 234,656.55 is: 323,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,944.62 : 574,001.90 = 234,656.55 : x
  2. Step 2: Convert to fraction form
    415,944.62/574,001.90 = 234,656.55/x
  3. Step 3: Cross multiply
    415,944.62x = 574,001.90 × 234,656.55
  4. Step 4: Simplify right side
    415,944.62x = 134,693,304,374.16
  5. Step 5: Solve for x
    x = 134,693,304,374.16/415,944.62
  6. Step 6: Final answer
    x = 323,825.09

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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.