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Finding the Fourth Proportional to 293.76, 441.28 and 179.84

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Solution

The fourth proportional to 293.76, 441.28 and 179.84 is: 270.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.76 : 441.28 = 179.84 : x
  2. Step 2: Convert to fraction form
    293.76/441.28 = 179.84/x
  3. Step 3: Cross multiply
    293.76x = 441.28 × 179.84
  4. Step 4: Simplify right side
    293.76x = 79,359.80
  5. Step 5: Solve for x
    x = 79,359.80/293.76
  6. Step 6: Final answer
    x = 270.15

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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.