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Finding the Fourth Proportional to 796.38, 1,099 and 465.02

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Solution

The fourth proportional to 796.38, 1,099 and 465.02 is: 641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.38 : 1,099 = 465.02 : x
  2. Step 2: Convert to fraction form
    796.38/1,099 = 465.02/x
  3. Step 3: Cross multiply
    796.38x = 1,099 × 465.02
  4. Step 4: Simplify right side
    796.38x = 511,056.98
  5. Step 5: Solve for x
    x = 511,056.98/796.38
  6. Step 6: Final answer
    x = 641.73

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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.