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Finding the Fourth Proportional to 334.52, 461.61 and 187.16

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Solution

The fourth proportional to 334.52, 461.61 and 187.16 is: 258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.52 : 461.61 = 187.16 : x
  2. Step 2: Convert to fraction form
    334.52/461.61 = 187.16/x
  3. Step 3: Cross multiply
    334.52x = 461.61 × 187.16
  4. Step 4: Simplify right side
    334.52x = 86,392.62
  5. Step 5: Solve for x
    x = 86,392.62/334.52
  6. Step 6: Final answer
    x = 258.26

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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.