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Finding the Fourth Proportional to 463.35, 694.57 and 231.89

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Solution

The fourth proportional to 463.35, 694.57 and 231.89 is: 347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.35 : 694.57 = 231.89 : x
  2. Step 2: Convert to fraction form
    463.35/694.57 = 231.89/x
  3. Step 3: Cross multiply
    463.35x = 694.57 × 231.89
  4. Step 4: Simplify right side
    463.35x = 161,065.86
  5. Step 5: Solve for x
    x = 161,065.86/463.35
  6. Step 6: Final answer
    x = 347.61

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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.