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Finding the Fourth Proportional to 796.24, 1,099.03 and 622.36

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Solution

The fourth proportional to 796.24, 1,099.03 and 622.36 is: 859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.24 : 1,099.03 = 622.36 : x
  2. Step 2: Convert to fraction form
    796.24/1,099.03 = 622.36/x
  3. Step 3: Cross multiply
    796.24x = 1,099.03 × 622.36
  4. Step 4: Simplify right side
    796.24x = 683,988.01
  5. Step 5: Solve for x
    x = 683,988.01/796.24
  6. Step 6: Final answer
    x = 859.03

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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.