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Finding the Fourth Proportional to 463.03, 694.37 and 188.97

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Solution

The fourth proportional to 463.03, 694.37 and 188.97 is: 283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.03 : 694.37 = 188.97 : x
  2. Step 2: Convert to fraction form
    463.03/694.37 = 188.97/x
  3. Step 3: Cross multiply
    463.03x = 694.37 × 188.97
  4. Step 4: Simplify right side
    463.03x = 131,215.90
  5. Step 5: Solve for x
    x = 131,215.90/463.03
  6. Step 6: Final answer
    x = 283.39

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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.