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Finding the Fourth Proportional to 242,616.33, 364,183.29 and 214,713.86

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Solution

The fourth proportional to 242,616.33, 364,183.29 and 214,713.86 is: 322,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,616.33 : 364,183.29 = 214,713.86 : x
  2. Step 2: Convert to fraction form
    242,616.33/364,183.29 = 214,713.86/x
  3. Step 3: Cross multiply
    242,616.33x = 364,183.29 × 214,713.86
  4. Step 4: Simplify right side
    242,616.33x = 78,195,198,122.48
  5. Step 5: Solve for x
    x = 78,195,198,122.48/242,616.33
  6. Step 6: Final answer
    x = 322,299.81

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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.