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Finding the Fourth Proportional to 453.96, 626.37 and 267.48

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Solution

The fourth proportional to 453.96, 626.37 and 267.48 is: 369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.96 : 626.37 = 267.48 : x
  2. Step 2: Convert to fraction form
    453.96/626.37 = 267.48/x
  3. Step 3: Cross multiply
    453.96x = 626.37 × 267.48
  4. Step 4: Simplify right side
    453.96x = 167,541.45
  5. Step 5: Solve for x
    x = 167,541.45/453.96
  6. Step 6: Final answer
    x = 369.07

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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.