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Finding the Fourth Proportional to 413,728,834.20, 620,593,251.30 and 183,453,480.60

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Solution

The fourth proportional to 413,728,834.20, 620,593,251.30 and 183,453,480.60 is: 275,180,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,728,834.20 : 620,593,251.30 = 183,453,480.60 : x
  2. Step 2: Convert to fraction form
    413,728,834.20/620,593,251.30 = 183,453,480.60/x
  3. Step 3: Cross multiply
    413,728,834.20x = 620,593,251.30 × 183,453,480.60
  4. Step 4: Simplify right side
    413,728,834.20x = 113,849,991,987,855,456
  5. Step 5: Solve for x
    x = 113,849,991,987,855,456/413,728,834.20
  6. Step 6: Final answer
    x = 275,180,220.90

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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.