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Finding the Fourth Proportional to 605,067.60, 907,606.60 and 172,783.94

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Solution

The fourth proportional to 605,067.60, 907,606.60 and 172,783.94 is: 259,177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,067.60 : 907,606.60 = 172,783.94 : x
  2. Step 2: Convert to fraction form
    605,067.60/907,606.60 = 172,783.94/x
  3. Step 3: Cross multiply
    605,067.60x = 907,606.60 × 172,783.94
  4. Step 4: Simplify right side
    605,067.60x = 156,819,844,318.00
  5. Step 5: Solve for x
    x = 156,819,844,318.00/605,067.60
  6. Step 6: Final answer
    x = 259,177.39

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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.