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Finding the Fourth Proportional to 333.49, 500.38 and 179.23

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Solution

The fourth proportional to 333.49, 500.38 and 179.23 is: 268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.49 : 500.38 = 179.23 : x
  2. Step 2: Convert to fraction form
    333.49/500.38 = 179.23/x
  3. Step 3: Cross multiply
    333.49x = 500.38 × 179.23
  4. Step 4: Simplify right side
    333.49x = 89,682.21
  5. Step 5: Solve for x
    x = 89,682.21/333.49
  6. Step 6: Final answer
    x = 268.92

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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.