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Finding the Fourth Proportional to 467.68, 701.84 and 179.12

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Solution

The fourth proportional to 467.68, 701.84 and 179.12 is: 268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.68 : 701.84 = 179.12 : x
  2. Step 2: Convert to fraction form
    467.68/701.84 = 179.12/x
  3. Step 3: Cross multiply
    467.68x = 701.84 × 179.12
  4. Step 4: Simplify right side
    467.68x = 125,713.58
  5. Step 5: Solve for x
    x = 125,713.58/467.68
  6. Step 6: Final answer
    x = 268.80

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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.