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Finding the Fourth Proportional to 1,232.88, 1,849.61 and 367.21

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Solution

The fourth proportional to 1,232.88, 1,849.61 and 367.21 is: 550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.88 : 1,849.61 = 367.21 : x
  2. Step 2: Convert to fraction form
    1,232.88/1,849.61 = 367.21/x
  3. Step 3: Cross multiply
    1,232.88x = 1,849.61 × 367.21
  4. Step 4: Simplify right side
    1,232.88x = 679,195.29
  5. Step 5: Solve for x
    x = 679,195.29/1,232.88
  6. Step 6: Final answer
    x = 550.90

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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.