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Finding the Fourth Proportional to 1,348.41, 2,022.42 and 374.31

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Solution

The fourth proportional to 1,348.41, 2,022.42 and 374.31 is: 561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.41 : 2,022.42 = 374.31 : x
  2. Step 2: Convert to fraction form
    1,348.41/2,022.42 = 374.31/x
  3. Step 3: Cross multiply
    1,348.41x = 2,022.42 × 374.31
  4. Step 4: Simplify right side
    1,348.41x = 757,012.03
  5. Step 5: Solve for x
    x = 757,012.03/1,348.41
  6. Step 6: Final answer
    x = 561.41

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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.