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Finding the Fourth Proportional to 453.62, 626.01 and 267.11

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Solution

The fourth proportional to 453.62, 626.01 and 267.11 is: 368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.62 : 626.01 = 267.11 : x
  2. Step 2: Convert to fraction form
    453.62/626.01 = 267.11/x
  3. Step 3: Cross multiply
    453.62x = 626.01 × 267.11
  4. Step 4: Simplify right side
    453.62x = 167,216.77
  5. Step 5: Solve for x
    x = 167,216.77/453.62
  6. Step 6: Final answer
    x = 368.63

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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.