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Finding the Fourth Proportional to 269,449.28, 404,523.84 and 207,163.52

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Solution

The fourth proportional to 269,449.28, 404,523.84 and 207,163.52 is: 311,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,449.28 : 404,523.84 = 207,163.52 : x
  2. Step 2: Convert to fraction form
    269,449.28/404,523.84 = 207,163.52/x
  3. Step 3: Cross multiply
    269,449.28x = 404,523.84 × 207,163.52
  4. Step 4: Simplify right side
    269,449.28x = 83,802,582,618.32
  5. Step 5: Solve for x
    x = 83,802,582,618.32/269,449.28
  6. Step 6: Final answer
    x = 311,014.31

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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.