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Finding the Fourth Proportional to 333, 459.66 and 229.56

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Solution

The fourth proportional to 333, 459.66 and 229.56 is: 316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 459.66 = 229.56 : x
  2. Step 2: Convert to fraction form
    333/459.66 = 229.56/x
  3. Step 3: Cross multiply
    333x = 459.66 × 229.56
  4. Step 4: Simplify right side
    333x = 105,519.55
  5. Step 5: Solve for x
    x = 105,519.55/333
  6. Step 6: Final answer
    x = 316.88

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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.