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Finding the Fourth Proportional to 416.22, 574.44 and 267

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Solution

The fourth proportional to 416.22, 574.44 and 267 is: 368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.22 : 574.44 = 267 : x
  2. Step 2: Convert to fraction form
    416.22/574.44 = 267/x
  3. Step 3: Cross multiply
    416.22x = 574.44 × 267
  4. Step 4: Simplify right side
    416.22x = 153,375.48
  5. Step 5: Solve for x
    x = 153,375.48/416.22
  6. Step 6: Final answer
    x = 368.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.