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Finding the Fourth Proportional to 331.95, 458.08 and 184.58

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Solution

The fourth proportional to 331.95, 458.08 and 184.58 is: 254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.95 : 458.08 = 184.58 : x
  2. Step 2: Convert to fraction form
    331.95/458.08 = 184.58/x
  3. Step 3: Cross multiply
    331.95x = 458.08 × 184.58
  4. Step 4: Simplify right side
    331.95x = 84,554.99
  5. Step 5: Solve for x
    x = 84,554.99/331.95
  6. Step 6: Final answer
    x = 254.72

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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.