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Finding the Fourth Proportional to 483,879.12, 667,715.20 and 269,006.08

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Solution

The fourth proportional to 483,879.12, 667,715.20 and 269,006.08 is: 371,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,879.12 : 667,715.20 = 269,006.08 : x
  2. Step 2: Convert to fraction form
    483,879.12/667,715.20 = 269,006.08/x
  3. Step 3: Cross multiply
    483,879.12x = 667,715.20 × 269,006.08
  4. Step 4: Simplify right side
    483,879.12x = 179,619,448,508.42
  5. Step 5: Solve for x
    x = 179,619,448,508.42/483,879.12
  6. Step 6: Final answer
    x = 371,207.27

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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.