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Finding the Fourth Proportional to 336.62, 464.52 and 189.27

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Solution

The fourth proportional to 336.62, 464.52 and 189.27 is: 261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.62 : 464.52 = 189.27 : x
  2. Step 2: Convert to fraction form
    336.62/464.52 = 189.27/x
  3. Step 3: Cross multiply
    336.62x = 464.52 × 189.27
  4. Step 4: Simplify right side
    336.62x = 87,919.70
  5. Step 5: Solve for x
    x = 87,919.70/336.62
  6. Step 6: Final answer
    x = 261.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.