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Finding the Fourth Proportional to 297,977.50, 447,247.14 and 108,620.89

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Solution

The fourth proportional to 297,977.50, 447,247.14 and 108,620.89 is: 163,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,977.50 : 447,247.14 = 108,620.89 : x
  2. Step 2: Convert to fraction form
    297,977.50/447,247.14 = 108,620.89/x
  3. Step 3: Cross multiply
    297,977.50x = 447,247.14 × 108,620.89
  4. Step 4: Simplify right side
    297,977.50x = 48,580,382,396.75
  5. Step 5: Solve for x
    x = 48,580,382,396.75/297,977.50
  6. Step 6: Final answer
    x = 163,033.73

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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.