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Finding the Fourth Proportional to 392,383.52, 588,487.60 and 181,994.12

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Solution

The fourth proportional to 392,383.52, 588,487.60 and 181,994.12 is: 272,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,383.52 : 588,487.60 = 181,994.12 : x
  2. Step 2: Convert to fraction form
    392,383.52/588,487.60 = 181,994.12/x
  3. Step 3: Cross multiply
    392,383.52x = 588,487.60 × 181,994.12
  4. Step 4: Simplify right side
    392,383.52x = 107,101,282,892.91
  5. Step 5: Solve for x
    x = 107,101,282,892.91/392,383.52
  6. Step 6: Final answer
    x = 272,950.51

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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.