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Finding the Fourth Proportional to 392,333.20, 588,576.60 and 167,693.20

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Solution

The fourth proportional to 392,333.20, 588,576.60 and 167,693.20 is: 251,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,333.20 : 588,576.60 = 167,693.20 : x
  2. Step 2: Convert to fraction form
    392,333.20/588,576.60 = 167,693.20/x
  3. Step 3: Cross multiply
    392,333.20x = 588,576.60 × 167,693.20
  4. Step 4: Simplify right side
    392,333.20x = 98,700,293,499.12
  5. Step 5: Solve for x
    x = 98,700,293,499.12/392,333.20
  6. Step 6: Final answer
    x = 251,572.63

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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.