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Finding the Fourth Proportional to 1,244.88, 1,867.05 and 367.13

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Solution

The fourth proportional to 1,244.88, 1,867.05 and 367.13 is: 550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.88 : 1,867.05 = 367.13 : x
  2. Step 2: Convert to fraction form
    1,244.88/1,867.05 = 367.13/x
  3. Step 3: Cross multiply
    1,244.88x = 1,867.05 × 367.13
  4. Step 4: Simplify right side
    1,244.88x = 685,454.73
  5. Step 5: Solve for x
    x = 685,454.73/1,244.88
  6. Step 6: Final answer
    x = 550.62

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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.