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Finding the Fourth Proportional to 449,145.66, 673,572.54 and 149,545.56

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Solution

The fourth proportional to 449,145.66, 673,572.54 and 149,545.56 is: 224,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,145.66 : 673,572.54 = 149,545.56 : x
  2. Step 2: Convert to fraction form
    449,145.66/673,572.54 = 149,545.56/x
  3. Step 3: Cross multiply
    449,145.66x = 673,572.54 × 149,545.56
  4. Step 4: Simplify right side
    449,145.66x = 100,729,782,694.92
  5. Step 5: Solve for x
    x = 100,729,782,694.92/449,145.66
  6. Step 6: Final answer
    x = 224,269.75

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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.