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Finding the Fourth Proportional to 796.62, 1,099.44 and 501.88

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Solution

The fourth proportional to 796.62, 1,099.44 and 501.88 is: 692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.62 : 1,099.44 = 501.88 : x
  2. Step 2: Convert to fraction form
    796.62/1,099.44 = 501.88/x
  3. Step 3: Cross multiply
    796.62x = 1,099.44 × 501.88
  4. Step 4: Simplify right side
    796.62x = 551,786.95
  5. Step 5: Solve for x
    x = 551,786.95/796.62
  6. Step 6: Final answer
    x = 692.66

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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.