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Finding the Fourth Proportional to 1,233.05, 1,700.97 and 834.73

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Solution

The fourth proportional to 1,233.05, 1,700.97 and 834.73 is: 1,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.05 : 1,700.97 = 834.73 : x
  2. Step 2: Convert to fraction form
    1,233.05/1,700.97 = 834.73/x
  3. Step 3: Cross multiply
    1,233.05x = 1,700.97 × 834.73
  4. Step 4: Simplify right side
    1,233.05x = 1,419,842.18
  5. Step 5: Solve for x
    x = 1,419,842.18/1,233.05
  6. Step 6: Final answer
    x = 1,151.49

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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.