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Finding the Fourth Proportional to 334.59, 462.18 and 261.82

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Solution

The fourth proportional to 334.59, 462.18 and 261.82 is: 361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.59 : 462.18 = 261.82 : x
  2. Step 2: Convert to fraction form
    334.59/462.18 = 261.82/x
  3. Step 3: Cross multiply
    334.59x = 462.18 × 261.82
  4. Step 4: Simplify right side
    334.59x = 121,007.97
  5. Step 5: Solve for x
    x = 121,007.97/334.59
  6. Step 6: Final answer
    x = 361.66

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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.