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Finding the Fourth Proportional to 352.37, 486.26 and 195

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Solution

The fourth proportional to 352.37, 486.26 and 195 is: 269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.37 : 486.26 = 195 : x
  2. Step 2: Convert to fraction form
    352.37/486.26 = 195/x
  3. Step 3: Cross multiply
    352.37x = 486.26 × 195
  4. Step 4: Simplify right side
    352.37x = 94,820.70
  5. Step 5: Solve for x
    x = 94,820.70/352.37
  6. Step 6: Final answer
    x = 269.10

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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.