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Finding the Fourth Proportional to 844.62, 1,166.07 and 534.54

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Solution

The fourth proportional to 844.62, 1,166.07 and 534.54 is: 737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.62 : 1,166.07 = 534.54 : x
  2. Step 2: Convert to fraction form
    844.62/1,166.07 = 534.54/x
  3. Step 3: Cross multiply
    844.62x = 1,166.07 × 534.54
  4. Step 4: Simplify right side
    844.62x = 623,311.06
  5. Step 5: Solve for x
    x = 623,311.06/844.62
  6. Step 6: Final answer
    x = 737.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.