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Finding the Fourth Proportional to 333.92, 460.79 and 186.55

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Solution

The fourth proportional to 333.92, 460.79 and 186.55 is: 257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.92 : 460.79 = 186.55 : x
  2. Step 2: Convert to fraction form
    333.92/460.79 = 186.55/x
  3. Step 3: Cross multiply
    333.92x = 460.79 × 186.55
  4. Step 4: Simplify right side
    333.92x = 85,957.14
  5. Step 5: Solve for x
    x = 85,957.14/333.92
  6. Step 6: Final answer
    x = 257.42

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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.