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Finding the Fourth Proportional to 1,493.88, 2,240.83 and 844.46

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Solution

The fourth proportional to 1,493.88, 2,240.83 and 844.46 is: 1,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.88 : 2,240.83 = 844.46 : x
  2. Step 2: Convert to fraction form
    1,493.88/2,240.83 = 844.46/x
  3. Step 3: Cross multiply
    1,493.88x = 2,240.83 × 844.46
  4. Step 4: Simplify right side
    1,493.88x = 1,892,291.30
  5. Step 5: Solve for x
    x = 1,892,291.30/1,493.88
  6. Step 6: Final answer
    x = 1,266.70

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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.