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Finding the Fourth Proportional to 1,663.26, 2,494.83 and 568.38

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Solution

The fourth proportional to 1,663.26, 2,494.83 and 568.38 is: 852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.26 : 2,494.83 = 568.38 : x
  2. Step 2: Convert to fraction form
    1,663.26/2,494.83 = 568.38/x
  3. Step 3: Cross multiply
    1,663.26x = 2,494.83 × 568.38
  4. Step 4: Simplify right side
    1,663.26x = 1,418,011.48
  5. Step 5: Solve for x
    x = 1,418,011.48/1,663.26
  6. Step 6: Final answer
    x = 852.55

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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.