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Finding the Fourth Proportional to 796.50, 1,099.10 and 464.82

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Solution

The fourth proportional to 796.50, 1,099.10 and 464.82 is: 641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.50 : 1,099.10 = 464.82 : x
  2. Step 2: Convert to fraction form
    796.50/1,099.10 = 464.82/x
  3. Step 3: Cross multiply
    796.50x = 1,099.10 × 464.82
  4. Step 4: Simplify right side
    796.50x = 510,883.66
  5. Step 5: Solve for x
    x = 510,883.66/796.50
  6. Step 6: Final answer
    x = 641.41

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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.