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Finding the Fourth Proportional to 474,076.60, 711,115.50 and 193,593.85

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Solution

The fourth proportional to 474,076.60, 711,115.50 and 193,593.85 is: 290,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,076.60 : 711,115.50 = 193,593.85 : x
  2. Step 2: Convert to fraction form
    474,076.60/711,115.50 = 193,593.85/x
  3. Step 3: Cross multiply
    474,076.60x = 711,115.50 × 193,593.85
  4. Step 4: Simplify right side
    474,076.60x = 137,667,586,387.86
  5. Step 5: Solve for x
    x = 137,667,586,387.86/474,076.60
  6. Step 6: Final answer
    x = 290,391.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.