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Finding the Fourth Proportional to 269,147.68, 404,078.64 and 229,956.64

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Solution

The fourth proportional to 269,147.68, 404,078.64 and 229,956.64 is: 345,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,147.68 : 404,078.64 = 229,956.64 : x
  2. Step 2: Convert to fraction form
    269,147.68/404,078.64 = 229,956.64/x
  3. Step 3: Cross multiply
    269,147.68x = 404,078.64 × 229,956.64
  4. Step 4: Simplify right side
    269,147.68x = 92,920,566,350.17
  5. Step 5: Solve for x
    x = 92,920,566,350.17/269,147.68
  6. Step 6: Final answer
    x = 345,240.08

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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.