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Finding the Fourth Proportional to 394,416,954.80, 590,491,691.40 and 241,361,946.80

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Solution

The fourth proportional to 394,416,954.80, 590,491,691.40 and 241,361,946.80 is: 361,349,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,416,954.80 : 590,491,691.40 = 241,361,946.80 : x
  2. Step 2: Convert to fraction form
    394,416,954.80/590,491,691.40 = 241,361,946.80/x
  3. Step 3: Cross multiply
    394,416,954.80x = 590,491,691.40 × 241,361,946.80
  4. Step 4: Simplify right side
    394,416,954.80x = 142,522,224,205,528,816
  5. Step 5: Solve for x
    x = 142,522,224,205,528,816/394,416,954.80
  6. Step 6: Final answer
    x = 361,349,131.85

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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.