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Finding the Fourth Proportional to 392,963.00, 588,951.61 and 168,059.41

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Solution

The fourth proportional to 392,963.00, 588,951.61 and 168,059.41 is: 251,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,963.00 : 588,951.61 = 168,059.41 : x
  2. Step 2: Convert to fraction form
    392,963.00/588,951.61 = 168,059.41/x
  3. Step 3: Cross multiply
    392,963.00x = 588,951.61 × 168,059.41
  4. Step 4: Simplify right side
    392,963.00x = 98,978,858,202.62
  5. Step 5: Solve for x
    x = 98,978,858,202.62/392,963.00
  6. Step 6: Final answer
    x = 251,878.32

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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.