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Finding the Fourth Proportional to 244,411.20, 366,616.80 and 222,759.90

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Solution

The fourth proportional to 244,411.20, 366,616.80 and 222,759.90 is: 334,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,411.20 : 366,616.80 = 222,759.90 : x
  2. Step 2: Convert to fraction form
    244,411.20/366,616.80 = 222,759.90/x
  3. Step 3: Cross multiply
    244,411.20x = 366,616.80 × 222,759.90
  4. Step 4: Simplify right side
    244,411.20x = 81,667,521,706.32
  5. Step 5: Solve for x
    x = 81,667,521,706.32/244,411.20
  6. Step 6: Final answer
    x = 334,139.85

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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.