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Finding the Fourth Proportional to 422,233.83, 582,537.93 and 240,815.30

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Solution

The fourth proportional to 422,233.83, 582,537.93 and 240,815.30 is: 332,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,233.83 : 582,537.93 = 240,815.30 : x
  2. Step 2: Convert to fraction form
    422,233.83/582,537.93 = 240,815.30/x
  3. Step 3: Cross multiply
    422,233.83x = 582,537.93 × 240,815.30
  4. Step 4: Simplify right side
    422,233.83x = 140,284,042,558.58
  5. Step 5: Solve for x
    x = 140,284,042,558.58/422,233.83
  6. Step 6: Final answer
    x = 332,242.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.