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Finding the Fourth Proportional to 393,873.61, 591,003.20 and 244,073.83

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Solution

The fourth proportional to 393,873.61, 591,003.20 and 244,073.83 is: 366,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,873.61 : 591,003.20 = 244,073.83 : x
  2. Step 2: Convert to fraction form
    393,873.61/591,003.20 = 244,073.83/x
  3. Step 3: Cross multiply
    393,873.61x = 591,003.20 × 244,073.83
  4. Step 4: Simplify right side
    393,873.61x = 144,248,414,566.26
  5. Step 5: Solve for x
    x = 144,248,414,566.26/393,873.61
  6. Step 6: Final answer
    x = 366,230.21

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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.