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Finding the Fourth Proportional to 620,593,500.30, 930,890,250.45 and 275,180,469.90

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Solution

The fourth proportional to 620,593,500.30, 930,890,250.45 and 275,180,469.90 is: 412,770,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,593,500.30 : 930,890,250.45 = 275,180,469.90 : x
  2. Step 2: Convert to fraction form
    620,593,500.30/930,890,250.45 = 275,180,469.90/x
  3. Step 3: Cross multiply
    620,593,500.30x = 930,890,250.45 × 275,180,469.90
  4. Step 4: Simplify right side
    620,593,500.30x = 256,162,816,544,159,680
  5. Step 5: Solve for x
    x = 256,162,816,544,159,680/620,593,500.30
  6. Step 6: Final answer
    x = 412,770,704.85

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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.