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Finding the Fourth Proportional to 404,279.28, 605,630.88 and 246,115.44

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Solution

The fourth proportional to 404,279.28, 605,630.88 and 246,115.44 is: 368,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,279.28 : 605,630.88 = 246,115.44 : x
  2. Step 2: Convert to fraction form
    404,279.28/605,630.88 = 246,115.44/x
  3. Step 3: Cross multiply
    404,279.28x = 605,630.88 × 246,115.44
  4. Step 4: Simplify right side
    404,279.28x = 149,055,110,508.79
  5. Step 5: Solve for x
    x = 149,055,110,508.79/404,279.28
  6. Step 6: Final answer
    x = 368,693.42

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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.