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Finding the Fourth Proportional to 422,184.48, 582,647.88 and 240,854.64

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Solution

The fourth proportional to 422,184.48, 582,647.88 and 240,854.64 is: 332,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,184.48 : 582,647.88 = 240,854.64 : x
  2. Step 2: Convert to fraction form
    422,184.48/582,647.88 = 240,854.64/x
  3. Step 3: Cross multiply
    422,184.48x = 582,647.88 × 240,854.64
  4. Step 4: Simplify right side
    422,184.48x = 140,333,445,384.16
  5. Step 5: Solve for x
    x = 140,333,445,384.16/422,184.48
  6. Step 6: Final answer
    x = 332,398.40

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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.