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Finding the Fourth Proportional to 333.98, 460.89 and 186.61

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Solution

The fourth proportional to 333.98, 460.89 and 186.61 is: 257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.98 : 460.89 = 186.61 : x
  2. Step 2: Convert to fraction form
    333.98/460.89 = 186.61/x
  3. Step 3: Cross multiply
    333.98x = 460.89 × 186.61
  4. Step 4: Simplify right side
    333.98x = 86,006.68
  5. Step 5: Solve for x
    x = 86,006.68/333.98
  6. Step 6: Final answer
    x = 257.52

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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.