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Finding the Fourth Proportional to 334.25, 461.27 and 186.89

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Solution

The fourth proportional to 334.25, 461.27 and 186.89 is: 257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.25 : 461.27 = 186.89 : x
  2. Step 2: Convert to fraction form
    334.25/461.27 = 186.89/x
  3. Step 3: Cross multiply
    334.25x = 461.27 × 186.89
  4. Step 4: Simplify right side
    334.25x = 86,203.51
  5. Step 5: Solve for x
    x = 86,203.51/334.25
  6. Step 6: Final answer
    x = 257.91

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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.