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Finding the Fourth Proportional to 462.58, 694.01 and 231.41

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Solution

The fourth proportional to 462.58, 694.01 and 231.41 is: 347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.58 : 694.01 = 231.41 : x
  2. Step 2: Convert to fraction form
    462.58/694.01 = 231.41/x
  3. Step 3: Cross multiply
    462.58x = 694.01 × 231.41
  4. Step 4: Simplify right side
    462.58x = 160,600.85
  5. Step 5: Solve for x
    x = 160,600.85/462.58
  6. Step 6: Final answer
    x = 347.19

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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.