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Finding the Fourth Proportional to 334.25, 461.26 and 186.91

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Solution

The fourth proportional to 334.25, 461.26 and 186.91 is: 257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.25 : 461.26 = 186.91 : x
  2. Step 2: Convert to fraction form
    334.25/461.26 = 186.91/x
  3. Step 3: Cross multiply
    334.25x = 461.26 × 186.91
  4. Step 4: Simplify right side
    334.25x = 86,214.11
  5. Step 5: Solve for x
    x = 86,214.11/334.25
  6. Step 6: Final answer
    x = 257.93

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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.