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Finding the Fourth Proportional to 404,098.60, 606,515.10 and 204,557.80

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Solution

The fourth proportional to 404,098.60, 606,515.10 and 204,557.80 is: 307,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,098.60 : 606,515.10 = 204,557.80 : x
  2. Step 2: Convert to fraction form
    404,098.60/606,515.10 = 204,557.80/x
  3. Step 3: Cross multiply
    404,098.60x = 606,515.10 × 204,557.80
  4. Step 4: Simplify right side
    404,098.60x = 124,067,394,522.78
  5. Step 5: Solve for x
    x = 124,067,394,522.78/404,098.60
  6. Step 6: Final answer
    x = 307,022.58

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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.