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Finding the Fourth Proportional to 424,545.33, 636,833.79 and 125,025.96

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Solution

The fourth proportional to 424,545.33, 636,833.79 and 125,025.96 is: 187,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,545.33 : 636,833.79 = 125,025.96 : x
  2. Step 2: Convert to fraction form
    424,545.33/636,833.79 = 125,025.96/x
  3. Step 3: Cross multiply
    424,545.33x = 636,833.79 × 125,025.96
  4. Step 4: Simplify right side
    424,545.33x = 79,620,755,955.19
  5. Step 5: Solve for x
    x = 79,620,755,955.19/424,545.33
  6. Step 6: Final answer
    x = 187,543.59

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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.