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Finding the Fourth Proportional to 994.92, 1,373.28 and 601.92

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Solution

The fourth proportional to 994.92, 1,373.28 and 601.92 is: 830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.92 : 1,373.28 = 601.92 : x
  2. Step 2: Convert to fraction form
    994.92/1,373.28 = 601.92/x
  3. Step 3: Cross multiply
    994.92x = 1,373.28 × 601.92
  4. Step 4: Simplify right side
    994.92x = 826,604.70
  5. Step 5: Solve for x
    x = 826,604.70/994.92
  6. Step 6: Final answer
    x = 830.83

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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.