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Finding the Fourth Proportional to 334.98, 462.31 and 203.99

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Solution

The fourth proportional to 334.98, 462.31 and 203.99 is: 281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.98 : 462.31 = 203.99 : x
  2. Step 2: Convert to fraction form
    334.98/462.31 = 203.99/x
  3. Step 3: Cross multiply
    334.98x = 462.31 × 203.99
  4. Step 4: Simplify right side
    334.98x = 94,303.80
  5. Step 5: Solve for x
    x = 94,303.80/334.98
  6. Step 6: Final answer
    x = 281.52

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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.