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Finding the Fourth Proportional to 796.62, 1,099.44 and 576.30

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Solution

The fourth proportional to 796.62, 1,099.44 and 576.30 is: 795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.62 : 1,099.44 = 576.30 : x
  2. Step 2: Convert to fraction form
    796.62/1,099.44 = 576.30/x
  3. Step 3: Cross multiply
    796.62x = 1,099.44 × 576.30
  4. Step 4: Simplify right side
    796.62x = 633,607.27
  5. Step 5: Solve for x
    x = 633,607.27/796.62
  6. Step 6: Final answer
    x = 795.37

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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.