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Finding the Fourth Proportional to 844.91, 1,166.06 and 471.92

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Solution

The fourth proportional to 844.91, 1,166.06 and 471.92 is: 651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.91 : 1,166.06 = 471.92 : x
  2. Step 2: Convert to fraction form
    844.91/1,166.06 = 471.92/x
  3. Step 3: Cross multiply
    844.91x = 1,166.06 × 471.92
  4. Step 4: Simplify right side
    844.91x = 550,284.68
  5. Step 5: Solve for x
    x = 550,284.68/844.91
  6. Step 6: Final answer
    x = 651.29

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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.