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Finding the Fourth Proportional to 483,988.16, 667,876.23 and 269,123.61

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Solution

The fourth proportional to 483,988.16, 667,876.23 and 269,123.61 is: 371,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,988.16 : 667,876.23 = 269,123.61 : x
  2. Step 2: Convert to fraction form
    483,988.16/667,876.23 = 269,123.61/x
  3. Step 3: Cross multiply
    483,988.16x = 667,876.23 × 269,123.61
  4. Step 4: Simplify right side
    483,988.16x = 179,741,262,050.79
  5. Step 5: Solve for x
    x = 179,741,262,050.79/483,988.16
  6. Step 6: Final answer
    x = 371,375.33

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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.