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Finding the Fourth Proportional to 363.99, 546.06 and 181.17

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Solution

The fourth proportional to 363.99, 546.06 and 181.17 is: 271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.99 : 546.06 = 181.17 : x
  2. Step 2: Convert to fraction form
    363.99/546.06 = 181.17/x
  3. Step 3: Cross multiply
    363.99x = 546.06 × 181.17
  4. Step 4: Simplify right side
    363.99x = 98,929.69
  5. Step 5: Solve for x
    x = 98,929.69/363.99
  6. Step 6: Final answer
    x = 271.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.