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Finding the Fourth Proportional to 324,420.15, 486,517.52 and 180,545.52

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Solution

The fourth proportional to 324,420.15, 486,517.52 and 180,545.52 is: 270,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,420.15 : 486,517.52 = 180,545.52 : x
  2. Step 2: Convert to fraction form
    324,420.15/486,517.52 = 180,545.52/x
  3. Step 3: Cross multiply
    324,420.15x = 486,517.52 × 180,545.52
  4. Step 4: Simplify right side
    324,420.15x = 87,838,560,913.31
  5. Step 5: Solve for x
    x = 87,838,560,913.31/324,420.15
  6. Step 6: Final answer
    x = 270,755.56

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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.