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Finding the Fourth Proportional to 463.46, 695.25 and 155.24

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Solution

The fourth proportional to 463.46, 695.25 and 155.24 is: 232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.46 : 695.25 = 155.24 : x
  2. Step 2: Convert to fraction form
    463.46/695.25 = 155.24/x
  3. Step 3: Cross multiply
    463.46x = 695.25 × 155.24
  4. Step 4: Simplify right side
    463.46x = 107,929.74
  5. Step 5: Solve for x
    x = 107,929.74/463.46
  6. Step 6: Final answer
    x = 232.88

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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.