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Finding the Fourth Proportional to 605,059.09, 907,593.83 and 172,775.43

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Solution

The fourth proportional to 605,059.09, 907,593.83 and 172,775.43 is: 259,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,059.09 : 907,593.83 = 172,775.43 : x
  2. Step 2: Convert to fraction form
    605,059.09/907,593.83 = 172,775.43/x
  3. Step 3: Cross multiply
    605,059.09x = 907,593.83 × 172,775.43
  4. Step 4: Simplify right side
    605,059.09x = 156,809,914,243.60
  5. Step 5: Solve for x
    x = 156,809,914,243.60/605,059.09
  6. Step 6: Final answer
    x = 259,164.63

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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.