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Finding the Fourth Proportional to 269,722.70, 404,584.05 and 217,234.70

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Solution

The fourth proportional to 269,722.70, 404,584.05 and 217,234.70 is: 325,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,722.70 : 404,584.05 = 217,234.70 : x
  2. Step 2: Convert to fraction form
    269,722.70/404,584.05 = 217,234.70/x
  3. Step 3: Cross multiply
    269,722.70x = 404,584.05 × 217,234.70
  4. Step 4: Simplify right side
    269,722.70x = 87,889,694,726.54
  5. Step 5: Solve for x
    x = 87,889,694,726.54/269,722.70
  6. Step 6: Final answer
    x = 325,852.05

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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.