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Finding the Fourth Proportional to 504,761.83, 756,978.92 and 167,711.97

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Solution

The fourth proportional to 504,761.83, 756,978.92 and 167,711.97 is: 251,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,761.83 : 756,978.92 = 167,711.97 : x
  2. Step 2: Convert to fraction form
    504,761.83/756,978.92 = 167,711.97/x
  3. Step 3: Cross multiply
    504,761.83x = 756,978.92 × 167,711.97
  4. Step 4: Simplify right side
    504,761.83x = 126,954,424,292.70
  5. Step 5: Solve for x
    x = 126,954,424,292.70/504,761.83
  6. Step 6: Final answer
    x = 251,513.52

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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.