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Finding the Fourth Proportional to 567,216,222.80, 850,824,334.20 and 485,586,885.20

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Solution

The fourth proportional to 567,216,222.80, 850,824,334.20 and 485,586,885.20 is: 728,380,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,216,222.80 : 850,824,334.20 = 485,586,885.20 : x
  2. Step 2: Convert to fraction form
    567,216,222.80/850,824,334.20 = 485,586,885.20/x
  3. Step 3: Cross multiply
    567,216,222.80x = 850,824,334.20 × 485,586,885.20
  4. Step 4: Simplify right side
    567,216,222.80x = 413,149,138,296,541,824
  5. Step 5: Solve for x
    x = 413,149,138,296,541,824/567,216,222.80
  6. Step 6: Final answer
    x = 728,380,327.80

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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.