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Finding the Fourth Proportional to 467.10, 695.12 and 462.24

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Solution

The fourth proportional to 467.10, 695.12 and 462.24 is: 687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.10 : 695.12 = 462.24 : x
  2. Step 2: Convert to fraction form
    467.10/695.12 = 462.24/x
  3. Step 3: Cross multiply
    467.10x = 695.12 × 462.24
  4. Step 4: Simplify right side
    467.10x = 321,309.96
  5. Step 5: Solve for x
    x = 321,309.96/467.10
  6. Step 6: Final answer
    x = 687.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.