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Finding the Fourth Proportional to 344,520.89, 516,850.31 and 192,933.54

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Solution

The fourth proportional to 344,520.89, 516,850.31 and 192,933.54 is: 289,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,520.89 : 516,850.31 = 192,933.54 : x
  2. Step 2: Convert to fraction form
    344,520.89/516,850.31 = 192,933.54/x
  3. Step 3: Cross multiply
    344,520.89x = 516,850.31 × 192,933.54
  4. Step 4: Simplify right side
    344,520.89x = 99,717,759,958.40
  5. Step 5: Solve for x
    x = 99,717,759,958.40/344,520.89
  6. Step 6: Final answer
    x = 289,438.94

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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.