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Finding the Fourth Proportional to 422,259.57, 582,727.64 and 240,967.89

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Solution

The fourth proportional to 422,259.57, 582,727.64 and 240,967.89 is: 332,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,259.57 : 582,727.64 = 240,967.89 : x
  2. Step 2: Convert to fraction form
    422,259.57/582,727.64 = 240,967.89/x
  3. Step 3: Cross multiply
    422,259.57x = 582,727.64 × 240,967.89
  4. Step 4: Simplify right side
    422,259.57x = 140,418,648,650.64
  5. Step 5: Solve for x
    x = 140,418,648,650.64/422,259.57
  6. Step 6: Final answer
    x = 332,541.07

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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.