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Finding the Fourth Proportional to 334.98, 500.00 and 331.34

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Solution

The fourth proportional to 334.98, 500.00 and 331.34 is: 494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.98 : 500.00 = 331.34 : x
  2. Step 2: Convert to fraction form
    334.98/500.00 = 331.34/x
  3. Step 3: Cross multiply
    334.98x = 500.00 × 331.34
  4. Step 4: Simplify right side
    334.98x = 165,665.84
  5. Step 5: Solve for x
    x = 165,665.84/334.98
  6. Step 6: Final answer
    x = 494.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.