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Finding the Fourth Proportional to 334.69, 461.88 and 187.33

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Solution

The fourth proportional to 334.69, 461.88 and 187.33 is: 258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.69 : 461.88 = 187.33 : x
  2. Step 2: Convert to fraction form
    334.69/461.88 = 187.33/x
  3. Step 3: Cross multiply
    334.69x = 461.88 × 187.33
  4. Step 4: Simplify right side
    334.69x = 86,523.98
  5. Step 5: Solve for x
    x = 86,523.98/334.69
  6. Step 6: Final answer
    x = 258.52

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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.