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Finding the Fourth Proportional to 336.52, 464.42 and 189.17

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Solution

The fourth proportional to 336.52, 464.42 and 189.17 is: 261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.52 : 464.42 = 189.17 : x
  2. Step 2: Convert to fraction form
    336.52/464.42 = 189.17/x
  3. Step 3: Cross multiply
    336.52x = 464.42 × 189.17
  4. Step 4: Simplify right side
    336.52x = 87,852.48
  5. Step 5: Solve for x
    x = 87,852.48/336.52
  6. Step 6: Final answer
    x = 261.06

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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.