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Finding the Fourth Proportional to 463.54, 695.31 and 116.88

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Solution

The fourth proportional to 463.54, 695.31 and 116.88 is: 175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.54 : 695.31 = 116.88 : x
  2. Step 2: Convert to fraction form
    463.54/695.31 = 116.88/x
  3. Step 3: Cross multiply
    463.54x = 695.31 × 116.88
  4. Step 4: Simplify right side
    463.54x = 81,267.83
  5. Step 5: Solve for x
    x = 81,267.83/463.54
  6. Step 6: Final answer
    x = 175.32

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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.