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Finding the Fourth Proportional to 320,105,222.20, 449,356,634.60 and 320,105,222.20

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Solution

The fourth proportional to 320,105,222.20, 449,356,634.60 and 320,105,222.20 is: 449,356,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,105,222.20 : 449,356,634.60 = 320,105,222.20 : x
  2. Step 2: Convert to fraction form
    320,105,222.20/449,356,634.60 = 320,105,222.20/x
  3. Step 3: Cross multiply
    320,105,222.20x = 449,356,634.60 × 320,105,222.20
  4. Step 4: Simplify right side
    320,105,222.20x = 143,841,405,365,677,216
  5. Step 5: Solve for x
    x = 143,841,405,365,677,216/320,105,222.20
  6. Step 6: Final answer
    x = 449,356,634.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.