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Finding the Fourth Proportional to 481,360.69, 664,295.64 and 274,662.73

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Solution

The fourth proportional to 481,360.69, 664,295.64 and 274,662.73 is: 379,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,360.69 : 664,295.64 = 274,662.73 : x
  2. Step 2: Convert to fraction form
    481,360.69/664,295.64 = 274,662.73/x
  3. Step 3: Cross multiply
    481,360.69x = 664,295.64 × 274,662.73
  4. Step 4: Simplify right side
    481,360.69x = 182,457,253,035.42
  5. Step 5: Solve for x
    x = 182,457,253,035.42/481,360.69
  6. Step 6: Final answer
    x = 379,044.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.