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Finding the Fourth Proportional to 796.67, 1,099.41 and 481.94

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Solution

The fourth proportional to 796.67, 1,099.41 and 481.94 is: 665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.67 : 1,099.41 = 481.94 : x
  2. Step 2: Convert to fraction form
    796.67/1,099.41 = 481.94/x
  3. Step 3: Cross multiply
    796.67x = 1,099.41 × 481.94
  4. Step 4: Simplify right side
    796.67x = 529,844.16
  5. Step 5: Solve for x
    x = 529,844.16/796.67
  6. Step 6: Final answer
    x = 665.08

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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.