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Finding the Fourth Proportional to 563.26, 845.02 and 178.50

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Solution

The fourth proportional to 563.26, 845.02 and 178.50 is: 267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.26 : 845.02 = 178.50 : x
  2. Step 2: Convert to fraction form
    563.26/845.02 = 178.50/x
  3. Step 3: Cross multiply
    563.26x = 845.02 × 178.50
  4. Step 4: Simplify right side
    563.26x = 150,836.07
  5. Step 5: Solve for x
    x = 150,836.07/563.26
  6. Step 6: Final answer
    x = 267.79

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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.