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Finding the Fourth Proportional to 746.07, 1,118.88 and 226.02

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Solution

The fourth proportional to 746.07, 1,118.88 and 226.02 is: 338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.07 : 1,118.88 = 226.02 : x
  2. Step 2: Convert to fraction form
    746.07/1,118.88 = 226.02/x
  3. Step 3: Cross multiply
    746.07x = 1,118.88 × 226.02
  4. Step 4: Simplify right side
    746.07x = 252,889.26
  5. Step 5: Solve for x
    x = 252,889.26/746.07
  6. Step 6: Final answer
    x = 338.96

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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.