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Finding the Fourth Proportional to 1,130.06, 1,694.10 and 581.96

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Solution

The fourth proportional to 1,130.06, 1,694.10 and 581.96 is: 872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.06 : 1,694.10 = 581.96 : x
  2. Step 2: Convert to fraction form
    1,130.06/1,694.10 = 581.96/x
  3. Step 3: Cross multiply
    1,130.06x = 1,694.10 × 581.96
  4. Step 4: Simplify right side
    1,130.06x = 985,898.44
  5. Step 5: Solve for x
    x = 985,898.44/1,130.06
  6. Step 6: Final answer
    x = 872.43

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