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Finding the Fourth Proportional to 244,490.80, 366,736.20 and 205,124.80

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Solution

The fourth proportional to 244,490.80, 366,736.20 and 205,124.80 is: 307,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,490.80 : 366,736.20 = 205,124.80 : x
  2. Step 2: Convert to fraction form
    244,490.80/366,736.20 = 205,124.80/x
  3. Step 3: Cross multiply
    244,490.80x = 366,736.20 × 205,124.80
  4. Step 4: Simplify right side
    244,490.80x = 75,226,689,677.76
  5. Step 5: Solve for x
    x = 75,226,689,677.76/244,490.80
  6. Step 6: Final answer
    x = 307,687.20

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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.