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Finding the Fourth Proportional to 333.76, 500.73 and 171.36

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Solution

The fourth proportional to 333.76, 500.73 and 171.36 is: 257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.76 : 500.73 = 171.36 : x
  2. Step 2: Convert to fraction form
    333.76/500.73 = 171.36/x
  3. Step 3: Cross multiply
    333.76x = 500.73 × 171.36
  4. Step 4: Simplify right side
    333.76x = 85,805.09
  5. Step 5: Solve for x
    x = 85,805.09/333.76
  6. Step 6: Final answer
    x = 257.09

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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.