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Finding the Fourth Proportional to 272,670.26, 408,866.98 and 204,579.38

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Solution

The fourth proportional to 272,670.26, 408,866.98 and 204,579.38 is: 306,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,670.26 : 408,866.98 = 204,579.38 : x
  2. Step 2: Convert to fraction form
    272,670.26/408,866.98 = 204,579.38/x
  3. Step 3: Cross multiply
    272,670.26x = 408,866.98 × 204,579.38
  4. Step 4: Simplify right side
    272,670.26x = 83,645,754,452.46
  5. Step 5: Solve for x
    x = 83,645,754,452.46/272,670.26
  6. Step 6: Final answer
    x = 306,765.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.