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Finding the Fourth Proportional to 1,794.74, 2,691.79 and 496.31

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Solution

The fourth proportional to 1,794.74, 2,691.79 and 496.31 is: 744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.74 : 2,691.79 = 496.31 : x
  2. Step 2: Convert to fraction form
    1,794.74/2,691.79 = 496.31/x
  3. Step 3: Cross multiply
    1,794.74x = 2,691.79 × 496.31
  4. Step 4: Simplify right side
    1,794.74x = 1,335,962.29
  5. Step 5: Solve for x
    x = 1,335,962.29/1,794.74
  6. Step 6: Final answer
    x = 744.38

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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.