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Finding the Fourth Proportional to 488.10, 673.58 and 267.04

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Solution

The fourth proportional to 488.10, 673.58 and 267.04 is: 368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.10 : 673.58 = 267.04 : x
  2. Step 2: Convert to fraction form
    488.10/673.58 = 267.04/x
  3. Step 3: Cross multiply
    488.10x = 673.58 × 267.04
  4. Step 4: Simplify right side
    488.10x = 179,872.80
  5. Step 5: Solve for x
    x = 179,872.80/488.10
  6. Step 6: Final answer
    x = 368.52

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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.