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Finding the Fourth Proportional to 344,461.62, 516,413.61 and 107,682.42

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Solution

The fourth proportional to 344,461.62, 516,413.61 and 107,682.42 is: 161,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,461.62 : 516,413.61 = 107,682.42 : x
  2. Step 2: Convert to fraction form
    344,461.62/516,413.61 = 107,682.42/x
  3. Step 3: Cross multiply
    344,461.62x = 516,413.61 × 107,682.42
  4. Step 4: Simplify right side
    344,461.62x = 55,608,667,245.74
  5. Step 5: Solve for x
    x = 55,608,667,245.74/344,461.62
  6. Step 6: Final answer
    x = 161,436.47

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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.