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Finding the Fourth Proportional to 796.59, 1,099.26 and 501.75

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Solution

The fourth proportional to 796.59, 1,099.26 and 501.75 is: 692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.59 : 1,099.26 = 501.75 : x
  2. Step 2: Convert to fraction form
    796.59/1,099.26 = 501.75/x
  3. Step 3: Cross multiply
    796.59x = 1,099.26 × 501.75
  4. Step 4: Simplify right side
    796.59x = 551,553.71
  5. Step 5: Solve for x
    x = 551,553.71/796.59
  6. Step 6: Final answer
    x = 692.39

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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.