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Finding the Fourth Proportional to 453.65, 625.95 and 267.14

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Solution

The fourth proportional to 453.65, 625.95 and 267.14 is: 368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.65 : 625.95 = 267.14 : x
  2. Step 2: Convert to fraction form
    453.65/625.95 = 267.14/x
  3. Step 3: Cross multiply
    453.65x = 625.95 × 267.14
  4. Step 4: Simplify right side
    453.65x = 167,217.85
  5. Step 5: Solve for x
    x = 167,217.85/453.65
  6. Step 6: Final answer
    x = 368.61

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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.