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Finding the Fourth Proportional to 746.12, 1,119.32 and 233

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Solution

The fourth proportional to 746.12, 1,119.32 and 233 is: 349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.12 : 1,119.32 = 233 : x
  2. Step 2: Convert to fraction form
    746.12/1,119.32 = 233/x
  3. Step 3: Cross multiply
    746.12x = 1,119.32 × 233
  4. Step 4: Simplify right side
    746.12x = 260,801.56
  5. Step 5: Solve for x
    x = 260,801.56/746.12
  6. Step 6: Final answer
    x = 349.54

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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.