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Finding the Fourth Proportional to 453.66, 626.05 and 267.15

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Solution

The fourth proportional to 453.66, 626.05 and 267.15 is: 368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.66 : 626.05 = 267.15 : x
  2. Step 2: Convert to fraction form
    453.66/626.05 = 267.15/x
  3. Step 3: Cross multiply
    453.66x = 626.05 × 267.15
  4. Step 4: Simplify right side
    453.66x = 167,249.26
  5. Step 5: Solve for x
    x = 167,249.26/453.66
  6. Step 6: Final answer
    x = 368.67

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