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Finding the Fourth Proportional to 994.37, 1,372.22 and 601.32

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Solution

The fourth proportional to 994.37, 1,372.22 and 601.32 is: 829.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.37 : 1,372.22 = 601.32 : x
  2. Step 2: Convert to fraction form
    994.37/1,372.22 = 601.32/x
  3. Step 3: Cross multiply
    994.37x = 1,372.22 × 601.32
  4. Step 4: Simplify right side
    994.37x = 825,140.32
  5. Step 5: Solve for x
    x = 825,140.32/994.37
  6. Step 6: Final answer
    x = 829.82

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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.