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Finding the Fourth Proportional to 796.37, 1,099.10 and 501.64

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Solution

The fourth proportional to 796.37, 1,099.10 and 501.64 is: 692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.37 : 1,099.10 = 501.64 : x
  2. Step 2: Convert to fraction form
    796.37/1,099.10 = 501.64/x
  3. Step 3: Cross multiply
    796.37x = 1,099.10 × 501.64
  4. Step 4: Simplify right side
    796.37x = 551,347.27
  5. Step 5: Solve for x
    x = 551,347.27/796.37
  6. Step 6: Final answer
    x = 692.32

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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.