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Finding the Fourth Proportional to 462.44, 693.63 and 169.93

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Solution

The fourth proportional to 462.44, 693.63 and 169.93 is: 254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.44 : 693.63 = 169.93 : x
  2. Step 2: Convert to fraction form
    462.44/693.63 = 169.93/x
  3. Step 3: Cross multiply
    462.44x = 693.63 × 169.93
  4. Step 4: Simplify right side
    462.44x = 117,869.41
  5. Step 5: Solve for x
    x = 117,869.41/462.44
  6. Step 6: Final answer
    x = 254.88

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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.