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Finding the Fourth Proportional to 624,081.11, 861,231.49 and 337,601.42

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Solution

The fourth proportional to 624,081.11, 861,231.49 and 337,601.42 is: 465,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,081.11 : 861,231.49 = 337,601.42 : x
  2. Step 2: Convert to fraction form
    624,081.11/861,231.49 = 337,601.42/x
  3. Step 3: Cross multiply
    624,081.11x = 861,231.49 × 337,601.42
  4. Step 4: Simplify right side
    624,081.11x = 290,752,972,052.17
  5. Step 5: Solve for x
    x = 290,752,972,052.17/624,081.11
  6. Step 6: Final answer
    x = 465,889.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.