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Finding the Fourth Proportional to 792.68, 1,189.01 and 244.73

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Solution

The fourth proportional to 792.68, 1,189.01 and 244.73 is: 367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.68 : 1,189.01 = 244.73 : x
  2. Step 2: Convert to fraction form
    792.68/1,189.01 = 244.73/x
  3. Step 3: Cross multiply
    792.68x = 1,189.01 × 244.73
  4. Step 4: Simplify right side
    792.68x = 290,979.25
  5. Step 5: Solve for x
    x = 290,979.25/792.68
  6. Step 6: Final answer
    x = 367.09

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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.