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Finding the Fourth Proportional to 352.36, 527.78 and 181

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Solution

The fourth proportional to 352.36, 527.78 and 181 is: 271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.36 : 527.78 = 181 : x
  2. Step 2: Convert to fraction form
    352.36/527.78 = 181/x
  3. Step 3: Cross multiply
    352.36x = 527.78 × 181
  4. Step 4: Simplify right side
    352.36x = 95,528.18
  5. Step 5: Solve for x
    x = 95,528.18/352.36
  6. Step 6: Final answer
    x = 271.11

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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.