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Finding the Fourth Proportional to 466.38, 699.57 and 158.23

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Solution

The fourth proportional to 466.38, 699.57 and 158.23 is: 237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.38 : 699.57 = 158.23 : x
  2. Step 2: Convert to fraction form
    466.38/699.57 = 158.23/x
  3. Step 3: Cross multiply
    466.38x = 699.57 × 158.23
  4. Step 4: Simplify right side
    466.38x = 110,694.85
  5. Step 5: Solve for x
    x = 110,694.85/466.38
  6. Step 6: Final answer
    x = 237.35

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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.