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Finding the Fourth Proportional to 844.73, 1,267.58 and 297.32

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Solution

The fourth proportional to 844.73, 1,267.58 and 297.32 is: 446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.73 : 1,267.58 = 297.32 : x
  2. Step 2: Convert to fraction form
    844.73/1,267.58 = 297.32/x
  3. Step 3: Cross multiply
    844.73x = 1,267.58 × 297.32
  4. Step 4: Simplify right side
    844.73x = 376,876.89
  5. Step 5: Solve for x
    x = 376,876.89/844.73
  6. Step 6: Final answer
    x = 446.15

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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.