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Finding the Fourth Proportional to 353,587,662.40, 529,485,698.40 and 281,924,046.40

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Solution

The fourth proportional to 353,587,662.40, 529,485,698.40 and 281,924,046.40 is: 422,171,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,587,662.40 : 529,485,698.40 = 281,924,046.40 : x
  2. Step 2: Convert to fraction form
    353,587,662.40/529,485,698.40 = 281,924,046.40/x
  3. Step 3: Cross multiply
    353,587,662.40x = 529,485,698.40 × 281,924,046.40
  4. Step 4: Simplify right side
    353,587,662.40x = 149,274,750,603,857,984
  5. Step 5: Solve for x
    x = 149,274,750,603,857,984/353,587,662.40
  6. Step 6: Final answer
    x = 422,171,830.29

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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.