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Finding the Fourth Proportional to 1,793.01, 2,689.44 and 494.44

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Solution

The fourth proportional to 1,793.01, 2,689.44 and 494.44 is: 741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.01 : 2,689.44 = 494.44 : x
  2. Step 2: Convert to fraction form
    1,793.01/2,689.44 = 494.44/x
  3. Step 3: Cross multiply
    1,793.01x = 2,689.44 × 494.44
  4. Step 4: Simplify right side
    1,793.01x = 1,329,766.71
  5. Step 5: Solve for x
    x = 1,329,766.71/1,793.01
  6. Step 6: Final answer
    x = 741.64

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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.