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Finding the Fourth Proportional to 1,835.87, 2,753.80 and 449.23

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Solution

The fourth proportional to 1,835.87, 2,753.80 and 449.23 is: 673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.87 : 2,753.80 = 449.23 : x
  2. Step 2: Convert to fraction form
    1,835.87/2,753.80 = 449.23/x
  3. Step 3: Cross multiply
    1,835.87x = 2,753.80 × 449.23
  4. Step 4: Simplify right side
    1,835.87x = 1,237,083.31
  5. Step 5: Solve for x
    x = 1,237,083.31/1,835.87
  6. Step 6: Final answer
    x = 673.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.