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Finding the Fourth Proportional to 1,182.00, 1,631.23 and 658.03

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Solution

The fourth proportional to 1,182.00, 1,631.23 and 658.03 is: 908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.00 : 1,631.23 = 658.03 : x
  2. Step 2: Convert to fraction form
    1,182.00/1,631.23 = 658.03/x
  3. Step 3: Cross multiply
    1,182.00x = 1,631.23 × 658.03
  4. Step 4: Simplify right side
    1,182.00x = 1,073,399.31
  5. Step 5: Solve for x
    x = 1,073,399.31/1,182.00
  6. Step 6: Final answer
    x = 908.12

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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.