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Finding the Fourth Proportional to 392,337.09, 588,097.40 and 181,801.89

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Solution

The fourth proportional to 392,337.09, 588,097.40 and 181,801.89 is: 272,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,337.09 : 588,097.40 = 181,801.89 : x
  2. Step 2: Convert to fraction form
    392,337.09/588,097.40 = 181,801.89/x
  3. Step 3: Cross multiply
    392,337.09x = 588,097.40 × 181,801.89
  4. Step 4: Simplify right side
    392,337.09x = 106,917,217,915.08
  5. Step 5: Solve for x
    x = 106,917,217,915.08/392,337.09
  6. Step 6: Final answer
    x = 272,513.66

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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.