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Finding the Fourth Proportional to 488.43, 674.03 and 267.39

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Solution

The fourth proportional to 488.43, 674.03 and 267.39 is: 369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.43 : 674.03 = 267.39 : x
  2. Step 2: Convert to fraction form
    488.43/674.03 = 267.39/x
  3. Step 3: Cross multiply
    488.43x = 674.03 × 267.39
  4. Step 4: Simplify right side
    488.43x = 180,230.06
  5. Step 5: Solve for x
    x = 180,230.06/488.43
  6. Step 6: Final answer
    x = 369.00

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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.