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Finding the Fourth Proportional to 2,299.39, 3,449.15 and 568

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Solution

The fourth proportional to 2,299.39, 3,449.15 and 568 is: 852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.39 : 3,449.15 = 568 : x
  2. Step 2: Convert to fraction form
    2,299.39/3,449.15 = 568/x
  3. Step 3: Cross multiply
    2,299.39x = 3,449.15 × 568
  4. Step 4: Simplify right side
    2,299.39x = 1,959,117.20
  5. Step 5: Solve for x
    x = 1,959,117.20/2,299.39
  6. Step 6: Final answer
    x = 852.02

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Why These Related Problems?

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