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Finding the Fourth Proportional to 333.91, 460.80 and 186.58

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Solution

The fourth proportional to 333.91, 460.80 and 186.58 is: 257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.91 : 460.80 = 186.58 : x
  2. Step 2: Convert to fraction form
    333.91/460.80 = 186.58/x
  3. Step 3: Cross multiply
    333.91x = 460.80 × 186.58
  4. Step 4: Simplify right side
    333.91x = 85,973.76
  5. Step 5: Solve for x
    x = 85,973.76/333.91
  6. Step 6: Final answer
    x = 257.48

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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.