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Finding the Fourth Proportional to 2,236.21, 3,354.88 and 676.18

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Solution

The fourth proportional to 2,236.21, 3,354.88 and 676.18 is: 1,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.21 : 3,354.88 = 676.18 : x
  2. Step 2: Convert to fraction form
    2,236.21/3,354.88 = 676.18/x
  3. Step 3: Cross multiply
    2,236.21x = 3,354.88 × 676.18
  4. Step 4: Simplify right side
    2,236.21x = 2,268,502.76
  5. Step 5: Solve for x
    x = 2,268,502.76/2,236.21
  6. Step 6: Final answer
    x = 1,014.44

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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.