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Finding the Fourth Proportional to 746.54, 1,119.80 and 233.54

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Solution

The fourth proportional to 746.54, 1,119.80 and 233.54 is: 350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.54 : 1,119.80 = 233.54 : x
  2. Step 2: Convert to fraction form
    746.54/1,119.80 = 233.54/x
  3. Step 3: Cross multiply
    746.54x = 1,119.80 × 233.54
  4. Step 4: Simplify right side
    746.54x = 261,511.33
  5. Step 5: Solve for x
    x = 261,511.33/746.54
  6. Step 6: Final answer
    x = 350.30

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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.