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Finding the Fourth Proportional to 483,964.48, 667,882.56 and 269,113.60

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Solution

The fourth proportional to 483,964.48, 667,882.56 and 269,113.60 is: 371,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,964.48 : 667,882.56 = 269,113.60 : x
  2. Step 2: Convert to fraction form
    483,964.48/667,882.56 = 269,113.60/x
  3. Step 3: Cross multiply
    483,964.48x = 667,882.56 × 269,113.60
  4. Step 4: Simplify right side
    483,964.48x = 179,736,280,098.82
  5. Step 5: Solve for x
    x = 179,736,280,098.82/483,964.48
  6. Step 6: Final answer
    x = 371,383.21

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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.