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Finding the Fourth Proportional to 362.99, 544.47 and 311.96

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Solution

The fourth proportional to 362.99, 544.47 and 311.96 is: 467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.99 : 544.47 = 311.96 : x
  2. Step 2: Convert to fraction form
    362.99/544.47 = 311.96/x
  3. Step 3: Cross multiply
    362.99x = 544.47 × 311.96
  4. Step 4: Simplify right side
    362.99x = 169,850.14
  5. Step 5: Solve for x
    x = 169,850.14/362.99
  6. Step 6: Final answer
    x = 467.93

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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.