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Finding the Fourth Proportional to 396,274,311.60, 593,907,582.60 and 191,361,159.60

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Solution

The fourth proportional to 396,274,311.60, 593,907,582.60 and 191,361,159.60 is: 286,798,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,274,311.60 : 593,907,582.60 = 191,361,159.60 : x
  2. Step 2: Convert to fraction form
    396,274,311.60/593,907,582.60 = 191,361,159.60/x
  3. Step 3: Cross multiply
    396,274,311.60x = 593,907,582.60 × 191,361,159.60
  4. Step 4: Simplify right side
    396,274,311.60x = 113,650,843,701,568,784
  5. Step 5: Solve for x
    x = 113,650,843,701,568,784/396,274,311.60
  6. Step 6: Final answer
    x = 286,798,413.06

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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.