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Finding the Fourth Proportional to 844.44, 1,267.74 and 459.96

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Solution

The fourth proportional to 844.44, 1,267.74 and 459.96 is: 690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.44 : 1,267.74 = 459.96 : x
  2. Step 2: Convert to fraction form
    844.44/1,267.74 = 459.96/x
  3. Step 3: Cross multiply
    844.44x = 1,267.74 × 459.96
  4. Step 4: Simplify right side
    844.44x = 583,109.69
  5. Step 5: Solve for x
    x = 583,109.69/844.44
  6. Step 6: Final answer
    x = 690.53

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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.