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Finding the Fourth Proportional to 2,308.79, 3,462.42 and 1,269.96

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Solution

The fourth proportional to 2,308.79, 3,462.42 and 1,269.96 is: 1,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.79 : 3,462.42 = 1,269.96 : x
  2. Step 2: Convert to fraction form
    2,308.79/3,462.42 = 1,269.96/x
  3. Step 3: Cross multiply
    2,308.79x = 3,462.42 × 1,269.96
  4. Step 4: Simplify right side
    2,308.79x = 4,397,134.90
  5. Step 5: Solve for x
    x = 4,397,134.90/2,308.79
  6. Step 6: Final answer
    x = 1,904.52

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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.