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Finding the Fourth Proportional to 793.37, 1,190.05 and 216.24

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Solution

The fourth proportional to 793.37, 1,190.05 and 216.24 is: 324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.37 : 1,190.05 = 216.24 : x
  2. Step 2: Convert to fraction form
    793.37/1,190.05 = 216.24/x
  3. Step 3: Cross multiply
    793.37x = 1,190.05 × 216.24
  4. Step 4: Simplify right side
    793.37x = 257,336.41
  5. Step 5: Solve for x
    x = 257,336.41/793.37
  6. Step 6: Final answer
    x = 324.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.