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Finding the Fourth Proportional to 469.44, 704.22 and 144.83

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Solution

The fourth proportional to 469.44, 704.22 and 144.83 is: 217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.44 : 704.22 = 144.83 : x
  2. Step 2: Convert to fraction form
    469.44/704.22 = 144.83/x
  3. Step 3: Cross multiply
    469.44x = 704.22 × 144.83
  4. Step 4: Simplify right side
    469.44x = 101,993.40
  5. Step 5: Solve for x
    x = 101,993.40/469.44
  6. Step 6: Final answer
    x = 217.27

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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.