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Finding the Fourth Proportional to 582,279.57, 803,544.17 and 327,630.78

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Solution

The fourth proportional to 582,279.57, 803,544.17 and 327,630.78 is: 452,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,279.57 : 803,544.17 = 327,630.78 : x
  2. Step 2: Convert to fraction form
    582,279.57/803,544.17 = 327,630.78/x
  3. Step 3: Cross multiply
    582,279.57x = 803,544.17 × 327,630.78
  4. Step 4: Simplify right side
    582,279.57x = 263,265,801,543.40
  5. Step 5: Solve for x
    x = 263,265,801,543.40/582,279.57
  6. Step 6: Final answer
    x = 452,129.55

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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.