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Finding the Fourth Proportional to 443.97, 612.22 and 333.27

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Solution

The fourth proportional to 443.97, 612.22 and 333.27 is: 459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.97 : 612.22 = 333.27 : x
  2. Step 2: Convert to fraction form
    443.97/612.22 = 333.27/x
  3. Step 3: Cross multiply
    443.97x = 612.22 × 333.27
  4. Step 4: Simplify right side
    443.97x = 204,034.56
  5. Step 5: Solve for x
    x = 204,034.56/443.97
  6. Step 6: Final answer
    x = 459.57

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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.