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Finding the Fourth Proportional to 746.27, 1,119.26 and 226.16

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Solution

The fourth proportional to 746.27, 1,119.26 and 226.16 is: 339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.27 : 1,119.26 = 226.16 : x
  2. Step 2: Convert to fraction form
    746.27/1,119.26 = 226.16/x
  3. Step 3: Cross multiply
    746.27x = 1,119.26 × 226.16
  4. Step 4: Simplify right side
    746.27x = 253,125.11
  5. Step 5: Solve for x
    x = 253,125.11/746.27
  6. Step 6: Final answer
    x = 339.19

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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.