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Finding the Fourth Proportional to 392,617.44, 588,820.32 and 167,866.20

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Solution

The fourth proportional to 392,617.44, 588,820.32 and 167,866.20 is: 251,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,617.44 : 588,820.32 = 167,866.20 : x
  2. Step 2: Convert to fraction form
    392,617.44/588,820.32 = 167,866.20/x
  3. Step 3: Cross multiply
    392,617.44x = 588,820.32 × 167,866.20
  4. Step 4: Simplify right side
    392,617.44x = 98,843,029,601.18
  5. Step 5: Solve for x
    x = 98,843,029,601.18/392,617.44
  6. Step 6: Final answer
    x = 251,754.05

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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.