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Finding the Fourth Proportional to 449,099.44, 619,713.12 and 247,882.48

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Solution

The fourth proportional to 449,099.44, 619,713.12 and 247,882.48 is: 342,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,099.44 : 619,713.12 = 247,882.48 : x
  2. Step 2: Convert to fraction form
    449,099.44/619,713.12 = 247,882.48/x
  3. Step 3: Cross multiply
    449,099.44x = 619,713.12 × 247,882.48
  4. Step 4: Simplify right side
    449,099.44x = 153,616,025,074.14
  5. Step 5: Solve for x
    x = 153,616,025,074.14/449,099.44
  6. Step 6: Final answer
    x = 342,053.48

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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.