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Finding the Fourth Proportional to 1,304.42, 1,799.81 and 744.71

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Solution

The fourth proportional to 1,304.42, 1,799.81 and 744.71 is: 1,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.42 : 1,799.81 = 744.71 : x
  2. Step 2: Convert to fraction form
    1,304.42/1,799.81 = 744.71/x
  3. Step 3: Cross multiply
    1,304.42x = 1,799.81 × 744.71
  4. Step 4: Simplify right side
    1,304.42x = 1,340,341.00
  5. Step 5: Solve for x
    x = 1,340,341.00/1,304.42
  6. Step 6: Final answer
    x = 1,027.54

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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.