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Finding the Fourth Proportional to 483.59, 725.67 and 195

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Solution

The fourth proportional to 483.59, 725.67 and 195 is: 292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.59 : 725.67 = 195 : x
  2. Step 2: Convert to fraction form
    483.59/725.67 = 195/x
  3. Step 3: Cross multiply
    483.59x = 725.67 × 195
  4. Step 4: Simplify right side
    483.59x = 141,505.65
  5. Step 5: Solve for x
    x = 141,505.65/483.59
  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.