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Finding the Fourth Proportional to 1,331.17, 1,996.73 and 600.23

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Solution

The fourth proportional to 1,331.17, 1,996.73 and 600.23 is: 900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.17 : 1,996.73 = 600.23 : x
  2. Step 2: Convert to fraction form
    1,331.17/1,996.73 = 600.23/x
  3. Step 3: Cross multiply
    1,331.17x = 1,996.73 × 600.23
  4. Step 4: Simplify right side
    1,331.17x = 1,198,493.63
  5. Step 5: Solve for x
    x = 1,198,493.63/1,331.17
  6. Step 6: Final answer
    x = 900.33

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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.