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Finding the Fourth Proportional to 297,320,441.60, 445,980,662.40 and 236,098,438.40

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Solution

The fourth proportional to 297,320,441.60, 445,980,662.40 and 236,098,438.40 is: 354,147,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,320,441.60 : 445,980,662.40 = 236,098,438.40 : x
  2. Step 2: Convert to fraction form
    297,320,441.60/445,980,662.40 = 236,098,438.40/x
  3. Step 3: Cross multiply
    297,320,441.60x = 445,980,662.40 × 236,098,438.40
  4. Step 4: Simplify right side
    297,320,441.60x = 105,295,337,949,237,600
  5. Step 5: Solve for x
    x = 105,295,337,949,237,600/297,320,441.60
  6. Step 6: Final answer
    x = 354,147,657.60

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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.