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Finding the Fourth Proportional to 483,996.41, 667,915.62 and 269,131.88

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Solution

The fourth proportional to 483,996.41, 667,915.62 and 269,131.88 is: 371,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,996.41 : 667,915.62 = 269,131.88 : x
  2. Step 2: Convert to fraction form
    483,996.41/667,915.62 = 269,131.88/x
  3. Step 3: Cross multiply
    483,996.41x = 667,915.62 × 269,131.88
  4. Step 4: Simplify right side
    483,996.41x = 179,757,386,491.97
  5. Step 5: Solve for x
    x = 179,757,386,491.97/483,996.41
  6. Step 6: Final answer
    x = 371,402.31

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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.