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Finding the Fourth Proportional to 1,141.99, 1,716.02 and 622.37

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Solution

The fourth proportional to 1,141.99, 1,716.02 and 622.37 is: 935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.99 : 1,716.02 = 622.37 : x
  2. Step 2: Convert to fraction form
    1,141.99/1,716.02 = 622.37/x
  3. Step 3: Cross multiply
    1,141.99x = 1,716.02 × 622.37
  4. Step 4: Simplify right side
    1,141.99x = 1,067,999.37
  5. Step 5: Solve for x
    x = 1,067,999.37/1,141.99
  6. Step 6: Final answer
    x = 935.21

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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.