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Finding the Fourth Proportional to 363.98, 546 and 181.36

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Solution

The fourth proportional to 363.98, 546 and 181.36 is: 272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.98 : 546 = 181.36 : x
  2. Step 2: Convert to fraction form
    363.98/546 = 181.36/x
  3. Step 3: Cross multiply
    363.98x = 546 × 181.36
  4. Step 4: Simplify right side
    363.98x = 99,022.56
  5. Step 5: Solve for x
    x = 99,022.56/363.98
  6. Step 6: Final answer
    x = 272.05

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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.