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Finding the Fourth Proportional to 483.96, 725.42 and 195.16

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Solution

The fourth proportional to 483.96, 725.42 and 195.16 is: 292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.96 : 725.42 = 195.16 : x
  2. Step 2: Convert to fraction form
    483.96/725.42 = 195.16/x
  3. Step 3: Cross multiply
    483.96x = 725.42 × 195.16
  4. Step 4: Simplify right side
    483.96x = 141,572.97
  5. Step 5: Solve for x
    x = 141,572.97/483.96
  6. Step 6: Final answer
    x = 292.53

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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.