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Finding the Fourth Proportional to 334.73, 461.91 and 185.34

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Solution

The fourth proportional to 334.73, 461.91 and 185.34 is: 255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.73 : 461.91 = 185.34 : x
  2. Step 2: Convert to fraction form
    334.73/461.91 = 185.34/x
  3. Step 3: Cross multiply
    334.73x = 461.91 × 185.34
  4. Step 4: Simplify right side
    334.73x = 85,609.84
  5. Step 5: Solve for x
    x = 85,609.84/334.73
  6. Step 6: Final answer
    x = 255.76

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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.