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Finding the Fourth Proportional to 244,286.10, 366,429.15 and 204,920.10

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Solution

The fourth proportional to 244,286.10, 366,429.15 and 204,920.10 is: 307,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,286.10 : 366,429.15 = 204,920.10 : x
  2. Step 2: Convert to fraction form
    244,286.10/366,429.15 = 204,920.10/x
  3. Step 3: Cross multiply
    244,286.10x = 366,429.15 × 204,920.10
  4. Step 4: Simplify right side
    244,286.10x = 75,088,698,060.92
  5. Step 5: Solve for x
    x = 75,088,698,060.92/244,286.10
  6. Step 6: Final answer
    x = 307,380.15

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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.