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Finding the Fourth Proportional to 796.26, 1,098.81 and 446.94

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Solution

The fourth proportional to 796.26, 1,098.81 and 446.94 is: 616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.26 : 1,098.81 = 446.94 : x
  2. Step 2: Convert to fraction form
    796.26/1,098.81 = 446.94/x
  3. Step 3: Cross multiply
    796.26x = 1,098.81 × 446.94
  4. Step 4: Simplify right side
    796.26x = 491,102.14
  5. Step 5: Solve for x
    x = 491,102.14/796.26
  6. Step 6: Final answer
    x = 616.76

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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.