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Finding the Fourth Proportional to 352.56, 486.73 and 236.19

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Solution

The fourth proportional to 352.56, 486.73 and 236.19 is: 326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.56 : 486.73 = 236.19 : x
  2. Step 2: Convert to fraction form
    352.56/486.73 = 236.19/x
  3. Step 3: Cross multiply
    352.56x = 486.73 × 236.19
  4. Step 4: Simplify right side
    352.56x = 114,959.58
  5. Step 5: Solve for x
    x = 114,959.58/352.56
  6. Step 6: Final answer
    x = 326.07

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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.