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Finding the Fourth Proportional to 404,098.40, 605,371.68 and 226,065.92

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Solution

The fourth proportional to 404,098.40, 605,371.68 and 226,065.92 is: 338,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,098.40 : 605,371.68 = 226,065.92 : x
  2. Step 2: Convert to fraction form
    404,098.40/605,371.68 = 226,065.92/x
  3. Step 3: Cross multiply
    404,098.40x = 605,371.68 × 226,065.92
  4. Step 4: Simplify right side
    404,098.40x = 136,853,905,781.15
  5. Step 5: Solve for x
    x = 136,853,905,781.15/404,098.40
  6. Step 6: Final answer
    x = 338,664.80

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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.