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Finding the Fourth Proportional to 1,337.97, 1,846.42 and 740.44

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Solution

The fourth proportional to 1,337.97, 1,846.42 and 740.44 is: 1,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.97 : 1,846.42 = 740.44 : x
  2. Step 2: Convert to fraction form
    1,337.97/1,846.42 = 740.44/x
  3. Step 3: Cross multiply
    1,337.97x = 1,846.42 × 740.44
  4. Step 4: Simplify right side
    1,337.97x = 1,367,150.29
  5. Step 5: Solve for x
    x = 1,367,150.29/1,337.97
  6. Step 6: Final answer
    x = 1,021.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.