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Finding the Fourth Proportional to 392,338.09, 588,098.89 and 181,802.89

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Solution

The fourth proportional to 392,338.09, 588,098.89 and 181,802.89 is: 272,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,338.09 : 588,098.89 = 181,802.89 : x
  2. Step 2: Convert to fraction form
    392,338.09/588,098.89 = 181,802.89/x
  3. Step 3: Cross multiply
    392,338.09x = 588,098.89 × 181,802.89
  4. Step 4: Simplify right side
    392,338.09x = 106,918,077,807.79
  5. Step 5: Solve for x
    x = 106,918,077,807.79/392,338.09
  6. Step 6: Final answer
    x = 272,515.16

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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.