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Finding the Fourth Proportional to 1,168.20, 1,750.41 and 550.44

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Solution

The fourth proportional to 1,168.20, 1,750.41 and 550.44 is: 824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.20 : 1,750.41 = 550.44 : x
  2. Step 2: Convert to fraction form
    1,168.20/1,750.41 = 550.44/x
  3. Step 3: Cross multiply
    1,168.20x = 1,750.41 × 550.44
  4. Step 4: Simplify right side
    1,168.20x = 963,495.68
  5. Step 5: Solve for x
    x = 963,495.68/1,168.20
  6. Step 6: Final answer
    x = 824.77

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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.