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Finding the Fourth Proportional to 336.32, 503.94 and 267.48

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Solution

The fourth proportional to 336.32, 503.94 and 267.48 is: 400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.32 : 503.94 = 267.48 : x
  2. Step 2: Convert to fraction form
    336.32/503.94 = 267.48/x
  3. Step 3: Cross multiply
    336.32x = 503.94 × 267.48
  4. Step 4: Simplify right side
    336.32x = 134,793.87
  5. Step 5: Solve for x
    x = 134,793.87/336.32
  6. Step 6: Final answer
    x = 400.79

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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.