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Finding the Fourth Proportional to 333, 498.56 and 229.59

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Solution

The fourth proportional to 333, 498.56 and 229.59 is: 343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333 : 498.56 = 229.59 : x
  2. Step 2: Convert to fraction form
    333/498.56 = 229.59/x
  3. Step 3: Cross multiply
    333x = 498.56 × 229.59
  4. Step 4: Simplify right side
    333x = 114,463.24
  5. Step 5: Solve for x
    x = 114,463.24/333
  6. Step 6: Final answer
    x = 343.73

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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.