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Finding the Fourth Proportional to 333.97, 500.65 and 169.34

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Solution

The fourth proportional to 333.97, 500.65 and 169.34 is: 253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.97 : 500.65 = 169.34 : x
  2. Step 2: Convert to fraction form
    333.97/500.65 = 169.34/x
  3. Step 3: Cross multiply
    333.97x = 500.65 × 169.34
  4. Step 4: Simplify right side
    333.97x = 84,780.07
  5. Step 5: Solve for x
    x = 84,780.07/333.97
  6. Step 6: Final answer
    x = 253.86

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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.