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Finding the Fourth Proportional to 793.29, 1,190.08 and 245.37

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Solution

The fourth proportional to 793.29, 1,190.08 and 245.37 is: 368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.29 : 1,190.08 = 245.37 : x
  2. Step 2: Convert to fraction form
    793.29/1,190.08 = 245.37/x
  3. Step 3: Cross multiply
    793.29x = 1,190.08 × 245.37
  4. Step 4: Simplify right side
    793.29x = 292,015.39
  5. Step 5: Solve for x
    x = 292,015.39/793.29
  6. Step 6: Final answer
    x = 368.11

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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.