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Finding the Fourth Proportional to 1,022.33, 1,532.14 and 559.41

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Solution

The fourth proportional to 1,022.33, 1,532.14 and 559.41 is: 838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.33 : 1,532.14 = 559.41 : x
  2. Step 2: Convert to fraction form
    1,022.33/1,532.14 = 559.41/x
  3. Step 3: Cross multiply
    1,022.33x = 1,532.14 × 559.41
  4. Step 4: Simplify right side
    1,022.33x = 857,091.64
  5. Step 5: Solve for x
    x = 857,091.64/1,022.33
  6. Step 6: Final answer
    x = 838.37

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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.