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Finding the Fourth Proportional to 467.28, 699.96 and 461.52

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Solution

The fourth proportional to 467.28, 699.96 and 461.52 is: 691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.28 : 699.96 = 461.52 : x
  2. Step 2: Convert to fraction form
    467.28/699.96 = 461.52/x
  3. Step 3: Cross multiply
    467.28x = 699.96 × 461.52
  4. Step 4: Simplify right side
    467.28x = 323,045.54
  5. Step 5: Solve for x
    x = 323,045.54/467.28
  6. Step 6: Final answer
    x = 691.33

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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.