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Finding the Fourth Proportional to 394,528.79, 590,853.81 and 251,932.38

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Solution

The fourth proportional to 394,528.79, 590,853.81 and 251,932.38 is: 377,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,528.79 : 590,853.81 = 251,932.38 : x
  2. Step 2: Convert to fraction form
    394,528.79/590,853.81 = 251,932.38/x
  3. Step 3: Cross multiply
    394,528.79x = 590,853.81 × 251,932.38
  4. Step 4: Simplify right side
    394,528.79x = 148,855,203,897.29
  5. Step 5: Solve for x
    x = 148,855,203,897.29/394,528.79
  6. Step 6: Final answer
    x = 377,298.71

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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.