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Finding the Fourth Proportional to 1,166.99, 1,749.60 and 550.62

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Solution

The fourth proportional to 1,166.99, 1,749.60 and 550.62 is: 825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.99 : 1,749.60 = 550.62 : x
  2. Step 2: Convert to fraction form
    1,166.99/1,749.60 = 550.62/x
  3. Step 3: Cross multiply
    1,166.99x = 1,749.60 × 550.62
  4. Step 4: Simplify right side
    1,166.99x = 963,364.75
  5. Step 5: Solve for x
    x = 963,364.75/1,166.99
  6. Step 6: Final answer
    x = 825.52

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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.