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Finding the Fourth Proportional to 357.32, 535.97 and 196.02

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Solution

The fourth proportional to 357.32, 535.97 and 196.02 is: 294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.32 : 535.97 = 196.02 : x
  2. Step 2: Convert to fraction form
    357.32/535.97 = 196.02/x
  3. Step 3: Cross multiply
    357.32x = 535.97 × 196.02
  4. Step 4: Simplify right side
    357.32x = 105,061.33
  5. Step 5: Solve for x
    x = 105,061.33/357.32
  6. Step 6: Final answer
    x = 294.02

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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.