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Finding the Fourth Proportional to 302.42, 453.95 and 267.94

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Solution

The fourth proportional to 302.42, 453.95 and 267.94 is: 402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.42 : 453.95 = 267.94 : x
  2. Step 2: Convert to fraction form
    302.42/453.95 = 267.94/x
  3. Step 3: Cross multiply
    302.42x = 453.95 × 267.94
  4. Step 4: Simplify right side
    302.42x = 121,628.89
  5. Step 5: Solve for x
    x = 121,628.89/302.42
  6. Step 6: Final answer
    x = 402.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.