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Finding the Fourth Proportional to 746.56, 1,119.12 and 335.53

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Solution

The fourth proportional to 746.56, 1,119.12 and 335.53 is: 502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.56 : 1,119.12 = 335.53 : x
  2. Step 2: Convert to fraction form
    746.56/1,119.12 = 335.53/x
  3. Step 3: Cross multiply
    746.56x = 1,119.12 × 335.53
  4. Step 4: Simplify right side
    746.56x = 375,498.33
  5. Step 5: Solve for x
    x = 375,498.33/746.56
  6. Step 6: Final answer
    x = 502.97

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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.