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Finding the Fourth Proportional to 392,330.52, 588,242.52 and 167,837.40

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Solution

The fourth proportional to 392,330.52, 588,242.52 and 167,837.40 is: 251,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,330.52 : 588,242.52 = 167,837.40 : x
  2. Step 2: Convert to fraction form
    392,330.52/588,242.52 = 167,837.40/x
  3. Step 3: Cross multiply
    392,330.52x = 588,242.52 × 167,837.40
  4. Step 4: Simplify right side
    392,330.52x = 98,729,095,126.25
  5. Step 5: Solve for x
    x = 98,729,095,126.25/392,330.52
  6. Step 6: Final answer
    x = 251,647.76

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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.