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Finding the Fourth Proportional to 394,414,289.80, 590,487,693.90 and 241,359,281.80

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Solution

The fourth proportional to 394,414,289.80, 590,487,693.90 and 241,359,281.80 is: 361,345,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,414,289.80 : 590,487,693.90 = 241,359,281.80 : x
  2. Step 2: Convert to fraction form
    394,414,289.80/590,487,693.90 = 241,359,281.80/x
  3. Step 3: Cross multiply
    394,414,289.80x = 590,487,693.90 × 241,359,281.80
  4. Step 4: Simplify right side
    394,414,289.80x = 142,519,685,711,442,240
  5. Step 5: Solve for x
    x = 142,519,685,711,442,240/394,414,289.80
  6. Step 6: Final answer
    x = 361,345,137.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.