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Finding the Fourth Proportional to 333.91, 460.82 and 186.58

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Solution

The fourth proportional to 333.91, 460.82 and 186.58 is: 257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.91 : 460.82 = 186.58 : x
  2. Step 2: Convert to fraction form
    333.91/460.82 = 186.58/x
  3. Step 3: Cross multiply
    333.91x = 460.82 × 186.58
  4. Step 4: Simplify right side
    333.91x = 85,979.11
  5. Step 5: Solve for x
    x = 85,979.11/333.91
  6. Step 6: Final answer
    x = 257.49

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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.