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Finding the Fourth Proportional to 422,063.84, 582,503.56 and 240,734.20

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Solution

The fourth proportional to 422,063.84, 582,503.56 and 240,734.20 is: 332,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,063.84 : 582,503.56 = 240,734.20 : x
  2. Step 2: Convert to fraction form
    422,063.84/582,503.56 = 240,734.20/x
  3. Step 3: Cross multiply
    422,063.84x = 582,503.56 × 240,734.20
  4. Step 4: Simplify right side
    422,063.84x = 140,228,528,513.75
  5. Step 5: Solve for x
    x = 140,228,528,513.75/422,063.84
  6. Step 6: Final answer
    x = 332,244.83

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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.