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Finding the Fourth Proportional to 488.41, 674.00 and 267.36

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Solution

The fourth proportional to 488.41, 674.00 and 267.36 is: 368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.41 : 674.00 = 267.36 : x
  2. Step 2: Convert to fraction form
    488.41/674.00 = 267.36/x
  3. Step 3: Cross multiply
    488.41x = 674.00 × 267.36
  4. Step 4: Simplify right side
    488.41x = 180,197.78
  5. Step 5: Solve for x
    x = 180,197.78/488.41
  6. Step 6: Final answer
    x = 368.95

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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.