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Finding the Fourth Proportional to 483,943.28, 667,843.80 and 269,102.96

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Solution

The fourth proportional to 483,943.28, 667,843.80 and 269,102.96 is: 371,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,943.28 : 667,843.80 = 269,102.96 : x
  2. Step 2: Convert to fraction form
    483,943.28/667,843.80 = 269,102.96/x
  3. Step 3: Cross multiply
    483,943.28x = 667,843.80 × 269,102.96
  4. Step 4: Simplify right side
    483,943.28x = 179,718,743,397.65
  5. Step 5: Solve for x
    x = 179,718,743,397.65/483,943.28
  6. Step 6: Final answer
    x = 371,363.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.