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Finding the Fourth Proportional to 1,180.44, 1,770.19 and 563.69

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Solution

The fourth proportional to 1,180.44, 1,770.19 and 563.69 is: 845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.44 : 1,770.19 = 563.69 : x
  2. Step 2: Convert to fraction form
    1,180.44/1,770.19 = 563.69/x
  3. Step 3: Cross multiply
    1,180.44x = 1,770.19 × 563.69
  4. Step 4: Simplify right side
    1,180.44x = 997,841.42
  5. Step 5: Solve for x
    x = 997,841.42/1,180.44
  6. Step 6: Final answer
    x = 845.31

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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.