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Finding the Fourth Proportional to 949.96, 1,424.94 and 333.82

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Solution

The fourth proportional to 949.96, 1,424.94 and 333.82 is: 500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.96 : 1,424.94 = 333.82 : x
  2. Step 2: Convert to fraction form
    949.96/1,424.94 = 333.82/x
  3. Step 3: Cross multiply
    949.96x = 1,424.94 × 333.82
  4. Step 4: Simplify right side
    949.96x = 475,673.47
  5. Step 5: Solve for x
    x = 475,673.47/949.96
  6. Step 6: Final answer
    x = 500.73

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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.