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Finding the Fourth Proportional to 794.60, 1,096.82 and 480.04

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Solution

The fourth proportional to 794.60, 1,096.82 and 480.04 is: 662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.60 : 1,096.82 = 480.04 : x
  2. Step 2: Convert to fraction form
    794.60/1,096.82 = 480.04/x
  3. Step 3: Cross multiply
    794.60x = 1,096.82 × 480.04
  4. Step 4: Simplify right side
    794.60x = 526,517.47
  5. Step 5: Solve for x
    x = 526,517.47/794.60
  6. Step 6: Final answer
    x = 662.62

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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.