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Finding the Fourth Proportional to 994.66, 1,372.64 and 596.34

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Solution

The fourth proportional to 994.66, 1,372.64 and 596.34 is: 822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.66 : 1,372.64 = 596.34 : x
  2. Step 2: Convert to fraction form
    994.66/1,372.64 = 596.34/x
  3. Step 3: Cross multiply
    994.66x = 1,372.64 × 596.34
  4. Step 4: Simplify right side
    994.66x = 818,557.16
  5. Step 5: Solve for x
    x = 818,557.16/994.66
  6. Step 6: Final answer
    x = 822.95

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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.