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Finding the Fourth Proportional to 562.58, 845.49 and 274.22

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Solution

The fourth proportional to 562.58, 845.49 and 274.22 is: 412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.58 : 845.49 = 274.22 : x
  2. Step 2: Convert to fraction form
    562.58/845.49 = 274.22/x
  3. Step 3: Cross multiply
    562.58x = 845.49 × 274.22
  4. Step 4: Simplify right side
    562.58x = 231,850.27
  5. Step 5: Solve for x
    x = 231,850.27/562.58
  6. Step 6: Final answer
    x = 412.12

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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.