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Finding the Fourth Proportional to 605,042.52, 907,563.96 and 225,993.12

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Solution

The fourth proportional to 605,042.52, 907,563.96 and 225,993.12 is: 338,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,042.52 : 907,563.96 = 225,993.12 : x
  2. Step 2: Convert to fraction form
    605,042.52/907,563.96 = 225,993.12/x
  3. Step 3: Cross multiply
    605,042.52x = 907,563.96 × 225,993.12
  4. Step 4: Simplify right side
    605,042.52x = 205,103,210,919.96
  5. Step 5: Solve for x
    x = 205,103,210,919.96/605,042.52
  6. Step 6: Final answer
    x = 338,989.75

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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.