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Finding the Fourth Proportional to 796.08, 1,193.16 and 449.34

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Solution

The fourth proportional to 796.08, 1,193.16 and 449.34 is: 673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.08 : 1,193.16 = 449.34 : x
  2. Step 2: Convert to fraction form
    796.08/1,193.16 = 449.34/x
  3. Step 3: Cross multiply
    796.08x = 1,193.16 × 449.34
  4. Step 4: Simplify right side
    796.08x = 536,134.51
  5. Step 5: Solve for x
    x = 536,134.51/796.08
  6. Step 6: Final answer
    x = 673.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.