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Finding the Fourth Proportional to 482,519.35, 665,956.55 and 267,728.61

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Solution

The fourth proportional to 482,519.35, 665,956.55 and 267,728.61 is: 369,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,519.35 : 665,956.55 = 267,728.61 : x
  2. Step 2: Convert to fraction form
    482,519.35/665,956.55 = 267,728.61/x
  3. Step 3: Cross multiply
    482,519.35x = 665,956.55 × 267,728.61
  4. Step 4: Simplify right side
    482,519.35x = 178,295,621,451.90
  5. Step 5: Solve for x
    x = 178,295,621,451.90/482,519.35
  6. Step 6: Final answer
    x = 369,509.79

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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.