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Finding the Fourth Proportional to 297,953.67, 446,789.97 and 108,280.65

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Solution

The fourth proportional to 297,953.67, 446,789.97 and 108,280.65 is: 162,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,953.67 : 446,789.97 = 108,280.65 : x
  2. Step 2: Convert to fraction form
    297,953.67/446,789.97 = 108,280.65/x
  3. Step 3: Cross multiply
    297,953.67x = 446,789.97 × 108,280.65
  4. Step 4: Simplify right side
    297,953.67x = 48,378,708,365.08
  5. Step 5: Solve for x
    x = 48,378,708,365.08/297,953.67
  6. Step 6: Final answer
    x = 162,369.90

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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.