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Finding the Fourth Proportional to 792.28, 1,188.58 and 244.44

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Solution

The fourth proportional to 792.28, 1,188.58 and 244.44 is: 366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.28 : 1,188.58 = 244.44 : x
  2. Step 2: Convert to fraction form
    792.28/1,188.58 = 244.44/x
  3. Step 3: Cross multiply
    792.28x = 1,188.58 × 244.44
  4. Step 4: Simplify right side
    792.28x = 290,536.50
  5. Step 5: Solve for x
    x = 290,536.50/792.28
  6. Step 6: Final answer
    x = 366.71

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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.