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Finding the Fourth Proportional to 404,112.30, 606,168.44 and 179,419.92

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Solution

The fourth proportional to 404,112.30, 606,168.44 and 179,419.92 is: 269,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,112.30 : 606,168.44 = 179,419.92 : x
  2. Step 2: Convert to fraction form
    404,112.30/606,168.44 = 179,419.92/x
  3. Step 3: Cross multiply
    404,112.30x = 606,168.44 × 179,419.92
  4. Step 4: Simplify right side
    404,112.30x = 108,758,693,011.33
  5. Step 5: Solve for x
    x = 108,758,693,011.33/404,112.30
  6. Step 6: Final answer
    x = 269,129.88

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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.