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Finding the Fourth Proportional to 392,657.13, 588,911.13 and 108,277.38

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Solution

The fourth proportional to 392,657.13, 588,911.13 and 108,277.38 is: 162,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,657.13 : 588,911.13 = 108,277.38 : x
  2. Step 2: Convert to fraction form
    392,657.13/588,911.13 = 108,277.38/x
  3. Step 3: Cross multiply
    392,657.13x = 588,911.13 × 108,277.38
  4. Step 4: Simplify right side
    392,657.13x = 63,765,754,209.24
  5. Step 5: Solve for x
    x = 63,765,754,209.24/392,657.13
  6. Step 6: Final answer
    x = 162,395.51

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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.