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Finding the Fourth Proportional to 483,992.73, 667,882.50 and 269,128.19

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Solution

The fourth proportional to 483,992.73, 667,882.50 and 269,128.19 is: 371,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,992.73 : 667,882.50 = 269,128.19 : x
  2. Step 2: Convert to fraction form
    483,992.73/667,882.50 = 269,128.19/x
  3. Step 3: Cross multiply
    483,992.73x = 667,882.50 × 269,128.19
  4. Step 4: Simplify right side
    483,992.73x = 179,746,005,018.26
  5. Step 5: Solve for x
    x = 179,746,005,018.26/483,992.73
  6. Step 6: Final answer
    x = 371,381.62

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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.