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Finding the Fourth Proportional to 392,331.52, 588,244.02 and 167,838.40

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Solution

The fourth proportional to 392,331.52, 588,244.02 and 167,838.40 is: 251,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,331.52 : 588,244.02 = 167,838.40 : x
  2. Step 2: Convert to fraction form
    392,331.52/588,244.02 = 167,838.40/x
  3. Step 3: Cross multiply
    392,331.52x = 588,244.02 × 167,838.40
  4. Step 4: Simplify right side
    392,331.52x = 98,729,935,126.37
  5. Step 5: Solve for x
    x = 98,729,935,126.37/392,331.52
  6. Step 6: Final answer
    x = 251,649.26

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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.