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Finding the Fourth Proportional to 334.92, 462.18 and 187.53

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Solution

The fourth proportional to 334.92, 462.18 and 187.53 is: 258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.92 : 462.18 = 187.53 : x
  2. Step 2: Convert to fraction form
    334.92/462.18 = 187.53/x
  3. Step 3: Cross multiply
    334.92x = 462.18 × 187.53
  4. Step 4: Simplify right side
    334.92x = 86,672.62
  5. Step 5: Solve for x
    x = 86,672.62/334.92
  6. Step 6: Final answer
    x = 258.79

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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.