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Finding the Fourth Proportional to 392,832.97, 588,086.89 and 242,590.25

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Solution

The fourth proportional to 392,832.97, 588,086.89 and 242,590.25 is: 363,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,832.97 : 588,086.89 = 242,590.25 : x
  2. Step 2: Convert to fraction form
    392,832.97/588,086.89 = 242,590.25/x
  3. Step 3: Cross multiply
    392,832.97x = 588,086.89 × 242,590.25
  4. Step 4: Simplify right side
    392,832.97x = 142,664,145,666.82
  5. Step 5: Solve for x
    x = 142,664,145,666.82/392,832.97
  6. Step 6: Final answer
    x = 363,167.44

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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.