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Finding the Fourth Proportional to 392,090.62, 588,398.10 and 167,503.54

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Solution

The fourth proportional to 392,090.62, 588,398.10 and 167,503.54 is: 251,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,090.62 : 588,398.10 = 167,503.54 : x
  2. Step 2: Convert to fraction form
    392,090.62/588,398.10 = 167,503.54/x
  3. Step 3: Cross multiply
    392,090.62x = 588,398.10 × 167,503.54
  4. Step 4: Simplify right side
    392,090.62x = 98,558,764,679.27
  5. Step 5: Solve for x
    x = 98,558,764,679.27/392,090.62
  6. Step 6: Final answer
    x = 251,367.31

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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.