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Finding the Fourth Proportional to 746.44, 1,119.66 and 233.56

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Solution

The fourth proportional to 746.44, 1,119.66 and 233.56 is: 350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.44 : 1,119.66 = 233.56 : x
  2. Step 2: Convert to fraction form
    746.44/1,119.66 = 233.56/x
  3. Step 3: Cross multiply
    746.44x = 1,119.66 × 233.56
  4. Step 4: Simplify right side
    746.44x = 261,507.79
  5. Step 5: Solve for x
    x = 261,507.79/746.44
  6. Step 6: Final answer
    x = 350.34

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Double scale
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1.5x scale

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.