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Finding the Fourth Proportional to 483.36, 725.20 and 195.04

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Solution

The fourth proportional to 483.36, 725.20 and 195.04 is: 292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.36 : 725.20 = 195.04 : x
  2. Step 2: Convert to fraction form
    483.36/725.20 = 195.04/x
  3. Step 3: Cross multiply
    483.36x = 725.20 × 195.04
  4. Step 4: Simplify right side
    483.36x = 141,443.01
  5. Step 5: Solve for x
    x = 141,443.01/483.36
  6. Step 6: Final answer
    x = 292.62

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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.