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Finding the Fourth Proportional to 884.19, 1,326.36 and 267.95

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Solution

The fourth proportional to 884.19, 1,326.36 and 267.95 is: 401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.19 : 1,326.36 = 267.95 : x
  2. Step 2: Convert to fraction form
    884.19/1,326.36 = 267.95/x
  3. Step 3: Cross multiply
    884.19x = 1,326.36 × 267.95
  4. Step 4: Simplify right side
    884.19x = 355,395.50
  5. Step 5: Solve for x
    x = 355,395.50/884.19
  6. Step 6: Final answer
    x = 401.94

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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.