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Finding the Fourth Proportional to 365,723.70, 504,800.14 and 212,791.43

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Solution

The fourth proportional to 365,723.70, 504,800.14 and 212,791.43 is: 293,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,723.70 : 504,800.14 = 212,791.43 : x
  2. Step 2: Convert to fraction form
    365,723.70/504,800.14 = 212,791.43/x
  3. Step 3: Cross multiply
    365,723.70x = 504,800.14 × 212,791.43
  4. Step 4: Simplify right side
    365,723.70x = 107,417,143,654.80
  5. Step 5: Solve for x
    x = 107,417,143,654.80/365,723.70
  6. Step 6: Final answer
    x = 293,711.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.