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Finding the Fourth Proportional to 414,793.72, 622,202.46 and 115,296.22

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Solution

The fourth proportional to 414,793.72, 622,202.46 and 115,296.22 is: 172,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,793.72 : 622,202.46 = 115,296.22 : x
  2. Step 2: Convert to fraction form
    414,793.72/622,202.46 = 115,296.22/x
  3. Step 3: Cross multiply
    414,793.72x = 622,202.46 × 115,296.22
  4. Step 4: Simplify right side
    414,793.72x = 71,737,591,712.70
  5. Step 5: Solve for x
    x = 71,737,591,712.70/414,793.72
  6. Step 6: Final answer
    x = 172,947.63

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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.