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Finding the Fourth Proportional to 415,996.25, 574,025.40 and 234,697.59

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Solution

The fourth proportional to 415,996.25, 574,025.40 and 234,697.59 is: 323,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,996.25 : 574,025.40 = 234,697.59 : x
  2. Step 2: Convert to fraction form
    415,996.25/574,025.40 = 234,697.59/x
  3. Step 3: Cross multiply
    415,996.25x = 574,025.40 × 234,697.59
  4. Step 4: Simplify right side
    415,996.25x = 134,722,377,978.79
  5. Step 5: Solve for x
    x = 134,722,377,978.79/415,996.25
  6. Step 6: Final answer
    x = 323,854.79

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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.