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Finding the Fourth Proportional to 996.02, 1,494.21 and 337.95

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Solution

The fourth proportional to 996.02, 1,494.21 and 337.95 is: 506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.02 : 1,494.21 = 337.95 : x
  2. Step 2: Convert to fraction form
    996.02/1,494.21 = 337.95/x
  3. Step 3: Cross multiply
    996.02x = 1,494.21 × 337.95
  4. Step 4: Simplify right side
    996.02x = 504,968.27
  5. Step 5: Solve for x
    x = 504,968.27/996.02
  6. Step 6: Final answer
    x = 506.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.