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Finding the Fourth Proportional to 794.35, 1,096.20 and 483.85

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Solution

The fourth proportional to 794.35, 1,096.20 and 483.85 is: 667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.35 : 1,096.20 = 483.85 : x
  2. Step 2: Convert to fraction form
    794.35/1,096.20 = 483.85/x
  3. Step 3: Cross multiply
    794.35x = 1,096.20 × 483.85
  4. Step 4: Simplify right side
    794.35x = 530,388.47
  5. Step 5: Solve for x
    x = 530,388.47/794.35
  6. Step 6: Final answer
    x = 667.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.