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Finding the Fourth Proportional to 488,309.12, 733,586.22 and 344,545.82

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Solution

The fourth proportional to 488,309.12, 733,586.22 and 344,545.82 is: 517,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,309.12 : 733,586.22 = 344,545.82 : x
  2. Step 2: Convert to fraction form
    488,309.12/733,586.22 = 344,545.82/x
  3. Step 3: Cross multiply
    488,309.12x = 733,586.22 × 344,545.82
  4. Step 4: Simplify right side
    488,309.12x = 252,754,065,710.60
  5. Step 5: Solve for x
    x = 252,754,065,710.60/488,309.12
  6. Step 6: Final answer
    x = 517,610.78

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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.