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Finding the Fourth Proportional to 334.44, 500.85 and 253.44

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Solution

The fourth proportional to 334.44, 500.85 and 253.44 is: 379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.44 : 500.85 = 253.44 : x
  2. Step 2: Convert to fraction form
    334.44/500.85 = 253.44/x
  3. Step 3: Cross multiply
    334.44x = 500.85 × 253.44
  4. Step 4: Simplify right side
    334.44x = 126,935.42
  5. Step 5: Solve for x
    x = 126,935.42/334.44
  6. Step 6: Final answer
    x = 379.55

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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.