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Finding the Fourth Proportional to 333.97, 500.95 and 171.56

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Solution

The fourth proportional to 333.97, 500.95 and 171.56 is: 257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.97 : 500.95 = 171.56 : x
  2. Step 2: Convert to fraction form
    333.97/500.95 = 171.56/x
  3. Step 3: Cross multiply
    333.97x = 500.95 × 171.56
  4. Step 4: Simplify right side
    333.97x = 85,942.98
  5. Step 5: Solve for x
    x = 85,942.98/333.97
  6. Step 6: Final answer
    x = 257.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.