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Finding the Fourth Proportional to 543,399.81, 814,837.55 and 227,771.97

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Solution

The fourth proportional to 543,399.81, 814,837.55 and 227,771.97 is: 341,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,399.81 : 814,837.55 = 227,771.97 : x
  2. Step 2: Convert to fraction form
    543,399.81/814,837.55 = 227,771.97/x
  3. Step 3: Cross multiply
    543,399.81x = 814,837.55 × 227,771.97
  4. Step 4: Simplify right side
    543,399.81x = 185,597,152,854.61
  5. Step 5: Solve for x
    x = 185,597,152,854.61/543,399.81
  6. Step 6: Final answer
    x = 341,548.06

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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.