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Finding the Fourth Proportional to 1,367.44, 2,052.70 and 546.29

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Solution

The fourth proportional to 1,367.44, 2,052.70 and 546.29 is: 820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.44 : 2,052.70 = 546.29 : x
  2. Step 2: Convert to fraction form
    1,367.44/2,052.70 = 546.29/x
  3. Step 3: Cross multiply
    1,367.44x = 2,052.70 × 546.29
  4. Step 4: Simplify right side
    1,367.44x = 1,121,380.94
  5. Step 5: Solve for x
    x = 1,121,380.94/1,367.44
  6. Step 6: Final answer
    x = 820.06

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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.