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Finding the Fourth Proportional to 1,374.86, 2,062.63 and 400.97

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Solution

The fourth proportional to 1,374.86, 2,062.63 and 400.97 is: 601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.86 : 2,062.63 = 400.97 : x
  2. Step 2: Convert to fraction form
    1,374.86/2,062.63 = 400.97/x
  3. Step 3: Cross multiply
    1,374.86x = 2,062.63 × 400.97
  4. Step 4: Simplify right side
    1,374.86x = 827,052.75
  5. Step 5: Solve for x
    x = 827,052.75/1,374.86
  6. Step 6: Final answer
    x = 601.55

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