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Finding the Fourth Proportional to 499,363.92, 749,082.33 and 144,379.80

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Solution

The fourth proportional to 499,363.92, 749,082.33 and 144,379.80 is: 216,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,363.92 : 749,082.33 = 144,379.80 : x
  2. Step 2: Convert to fraction form
    499,363.92/749,082.33 = 144,379.80/x
  3. Step 3: Cross multiply
    499,363.92x = 749,082.33 × 144,379.80
  4. Step 4: Simplify right side
    499,363.92x = 108,152,356,988.93
  5. Step 5: Solve for x
    x = 108,152,356,988.93/499,363.92
  6. Step 6: Final answer
    x = 216,580.24

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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.