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Finding the Fourth Proportional to 244,625.70, 366,938.55 and 215,757.30

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Solution

The fourth proportional to 244,625.70, 366,938.55 and 215,757.30 is: 323,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,625.70 : 366,938.55 = 215,757.30 : x
  2. Step 2: Convert to fraction form
    244,625.70/366,938.55 = 215,757.30/x
  3. Step 3: Cross multiply
    244,625.70x = 366,938.55 × 215,757.30
  4. Step 4: Simplify right side
    244,625.70x = 79,169,670,813.92
  5. Step 5: Solve for x
    x = 79,169,670,813.92/244,625.70
  6. Step 6: Final answer
    x = 323,635.95

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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.