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Finding the Fourth Proportional to 267.95, 401.50 and 180.94

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Solution

The fourth proportional to 267.95, 401.50 and 180.94 is: 271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.95 : 401.50 = 180.94 : x
  2. Step 2: Convert to fraction form
    267.95/401.50 = 180.94/x
  3. Step 3: Cross multiply
    267.95x = 401.50 × 180.94
  4. Step 4: Simplify right side
    267.95x = 72,647.41
  5. Step 5: Solve for x
    x = 72,647.41/267.95
  6. Step 6: Final answer
    x = 271.12

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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.