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Finding the Fourth Proportional to 396,345,336.40, 594,518,004.60 and 396,345,336.40

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Solution

The fourth proportional to 396,345,336.40, 594,518,004.60 and 396,345,336.40 is: 594,518,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,345,336.40 : 594,518,004.60 = 396,345,336.40 : x
  2. Step 2: Convert to fraction form
    396,345,336.40/594,518,004.60 = 396,345,336.40/x
  3. Step 3: Cross multiply
    396,345,336.40x = 594,518,004.60 × 396,345,336.40
  4. Step 4: Simplify right side
    396,345,336.40x = 235,634,438,529,043,744
  5. Step 5: Solve for x
    x = 235,634,438,529,043,744/396,345,336.40
  6. Step 6: Final answer
    x = 594,518,004.60

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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.