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Finding the Fourth Proportional to 1,655.56, 2,481.90 and 833.14

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Solution

The fourth proportional to 1,655.56, 2,481.90 and 833.14 is: 1,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.56 : 2,481.90 = 833.14 : x
  2. Step 2: Convert to fraction form
    1,655.56/2,481.90 = 833.14/x
  3. Step 3: Cross multiply
    1,655.56x = 2,481.90 × 833.14
  4. Step 4: Simplify right side
    1,655.56x = 2,067,770.17
  5. Step 5: Solve for x
    x = 2,067,770.17/1,655.56
  6. Step 6: Final answer
    x = 1,248.99

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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.