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Finding the Fourth Proportional to 335.25, 462.56 and 272.97

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Solution

The fourth proportional to 335.25, 462.56 and 272.97 is: 376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.25 : 462.56 = 272.97 : x
  2. Step 2: Convert to fraction form
    335.25/462.56 = 272.97/x
  3. Step 3: Cross multiply
    335.25x = 462.56 × 272.97
  4. Step 4: Simplify right side
    335.25x = 126,265.00
  5. Step 5: Solve for x
    x = 126,265.00/335.25
  6. Step 6: Final answer
    x = 376.63

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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.