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Finding the Fourth Proportional to 463.88, 695.87 and 151.55

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Solution

The fourth proportional to 463.88, 695.87 and 151.55 is: 227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.88 : 695.87 = 151.55 : x
  2. Step 2: Convert to fraction form
    463.88/695.87 = 151.55/x
  3. Step 3: Cross multiply
    463.88x = 695.87 × 151.55
  4. Step 4: Simplify right side
    463.88x = 105,456.00
  5. Step 5: Solve for x
    x = 105,456.00/463.88
  6. Step 6: Final answer
    x = 227.33

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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.