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Finding the Fourth Proportional to 844.67, 1,267.11 and 296.98

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Solution

The fourth proportional to 844.67, 1,267.11 and 296.98 is: 445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.67 : 1,267.11 = 296.98 : x
  2. Step 2: Convert to fraction form
    844.67/1,267.11 = 296.98/x
  3. Step 3: Cross multiply
    844.67x = 1,267.11 × 296.98
  4. Step 4: Simplify right side
    844.67x = 376,303.16
  5. Step 5: Solve for x
    x = 376,303.16/844.67
  6. Step 6: Final answer
    x = 445.50

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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.