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Finding the Fourth Proportional to 618,193.88, 927,680.33 and 263,207.24

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Solution

The fourth proportional to 618,193.88, 927,680.33 and 263,207.24 is: 394,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,193.88 : 927,680.33 = 263,207.24 : x
  2. Step 2: Convert to fraction form
    618,193.88/927,680.33 = 263,207.24/x
  3. Step 3: Cross multiply
    618,193.88x = 927,680.33 × 263,207.24
  4. Step 4: Simplify right side
    618,193.88x = 244,172,175,281.21
  5. Step 5: Solve for x
    x = 244,172,175,281.21/618,193.88
  6. Step 6: Final answer
    x = 394,976.70

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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.