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Finding the Fourth Proportional to 499,372.92, 749,095.83 and 144,388.80

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Solution

The fourth proportional to 499,372.92, 749,095.83 and 144,388.80 is: 216,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,372.92 : 749,095.83 = 144,388.80 : x
  2. Step 2: Convert to fraction form
    499,372.92/749,095.83 = 144,388.80/x
  3. Step 3: Cross multiply
    499,372.92x = 749,095.83 × 144,388.80
  4. Step 4: Simplify right side
    499,372.92x = 108,161,047,978.70
  5. Step 5: Solve for x
    x = 108,161,047,978.70/499,372.92
  6. Step 6: Final answer
    x = 216,593.74

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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.