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Finding the Fourth Proportional to 1,180.75, 1,768.59 and 563.53

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Solution

The fourth proportional to 1,180.75, 1,768.59 and 563.53 is: 844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.75 : 1,768.59 = 563.53 : x
  2. Step 2: Convert to fraction form
    1,180.75/1,768.59 = 563.53/x
  3. Step 3: Cross multiply
    1,180.75x = 1,768.59 × 563.53
  4. Step 4: Simplify right side
    1,180.75x = 996,653.52
  5. Step 5: Solve for x
    x = 996,653.52/1,180.75
  6. Step 6: Final answer
    x = 844.09

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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.