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Finding the Fourth Proportional to 244,643.70, 366,965.55 and 220,149.30

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Solution

The fourth proportional to 244,643.70, 366,965.55 and 220,149.30 is: 330,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,643.70 : 366,965.55 = 220,149.30 : x
  2. Step 2: Convert to fraction form
    244,643.70/366,965.55 = 220,149.30/x
  3. Step 3: Cross multiply
    244,643.70x = 366,965.55 × 220,149.30
  4. Step 4: Simplify right side
    244,643.70x = 80,787,208,956.62
  5. Step 5: Solve for x
    x = 80,787,208,956.62/244,643.70
  6. Step 6: Final answer
    x = 330,223.95

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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.