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Finding the Fourth Proportional to 294.53, 441.56 and 178.95

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Solution

The fourth proportional to 294.53, 441.56 and 178.95 is: 268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.53 : 441.56 = 178.95 : x
  2. Step 2: Convert to fraction form
    294.53/441.56 = 178.95/x
  3. Step 3: Cross multiply
    294.53x = 441.56 × 178.95
  4. Step 4: Simplify right side
    294.53x = 79,016.27
  5. Step 5: Solve for x
    x = 79,016.27/294.53
  6. Step 6: Final answer
    x = 268.28

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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.