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Finding the Fourth Proportional to 1,334.39, 1,837.71 and 1,305.68

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Solution

The fourth proportional to 1,334.39, 1,837.71 and 1,305.68 is: 1,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.39 : 1,837.71 = 1,305.68 : x
  2. Step 2: Convert to fraction form
    1,334.39/1,837.71 = 1,305.68/x
  3. Step 3: Cross multiply
    1,334.39x = 1,837.71 × 1,305.68
  4. Step 4: Simplify right side
    1,334.39x = 2,399,452.00
  5. Step 5: Solve for x
    x = 2,399,452.00/1,334.39
  6. Step 6: Final answer
    x = 1,798.17

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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.