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Finding the Fourth Proportional to 392,512.55, 588,626.04 and 167,889.41

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Solution

The fourth proportional to 392,512.55, 588,626.04 and 167,889.41 is: 251,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,512.55 : 588,626.04 = 167,889.41 : x
  2. Step 2: Convert to fraction form
    392,512.55/588,626.04 = 167,889.41/x
  3. Step 3: Cross multiply
    392,512.55x = 588,626.04 × 167,889.41
  4. Step 4: Simplify right side
    392,512.55x = 98,824,078,566.24
  5. Step 5: Solve for x
    x = 98,824,078,566.24/392,512.55
  6. Step 6: Final answer
    x = 251,773.04

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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.