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Finding the Fourth Proportional to 334.60, 461.91 and 229.73

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Solution

The fourth proportional to 334.60, 461.91 and 229.73 is: 317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.60 : 461.91 = 229.73 : x
  2. Step 2: Convert to fraction form
    334.60/461.91 = 229.73/x
  3. Step 3: Cross multiply
    334.60x = 461.91 × 229.73
  4. Step 4: Simplify right side
    334.60x = 106,114.58
  5. Step 5: Solve for x
    x = 106,114.58/334.60
  6. Step 6: Final answer
    x = 317.14

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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.