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Finding the Fourth Proportional to 267.60, 400.59 and 202.23

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Solution

The fourth proportional to 267.60, 400.59 and 202.23 is: 302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.60 : 400.59 = 202.23 : x
  2. Step 2: Convert to fraction form
    267.60/400.59 = 202.23/x
  3. Step 3: Cross multiply
    267.60x = 400.59 × 202.23
  4. Step 4: Simplify right side
    267.60x = 81,011.32
  5. Step 5: Solve for x
    x = 81,011.32/267.60
  6. Step 6: Final answer
    x = 302.73

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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.