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Finding the Fourth Proportional to 2,236.28, 3,355.02 and 676.22

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Solution

The fourth proportional to 2,236.28, 3,355.02 and 676.22 is: 1,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.28 : 3,355.02 = 676.22 : x
  2. Step 2: Convert to fraction form
    2,236.28/3,355.02 = 676.22/x
  3. Step 3: Cross multiply
    2,236.28x = 3,355.02 × 676.22
  4. Step 4: Simplify right side
    2,236.28x = 2,268,714.85
  5. Step 5: Solve for x
    x = 2,268,714.85/2,236.28
  6. Step 6: Final answer
    x = 1,014.51

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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.