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Finding the Fourth Proportional to 352.33, 486.23 and 194.96

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Solution

The fourth proportional to 352.33, 486.23 and 194.96 is: 269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.33 : 486.23 = 194.96 : x
  2. Step 2: Convert to fraction form
    352.33/486.23 = 194.96/x
  3. Step 3: Cross multiply
    352.33x = 486.23 × 194.96
  4. Step 4: Simplify right side
    352.33x = 94,795.40
  5. Step 5: Solve for x
    x = 94,795.40/352.33
  6. Step 6: Final answer
    x = 269.05

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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.