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Finding the Fourth Proportional to 352.52, 486.54 and 236.10

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Solution

The fourth proportional to 352.52, 486.54 and 236.10 is: 325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.52 : 486.54 = 236.10 : x
  2. Step 2: Convert to fraction form
    352.52/486.54 = 236.10/x
  3. Step 3: Cross multiply
    352.52x = 486.54 × 236.10
  4. Step 4: Simplify right side
    352.52x = 114,872.09
  5. Step 5: Solve for x
    x = 114,872.09/352.52
  6. Step 6: Final answer
    x = 325.86

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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.