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Finding the Fourth Proportional to 468,932.37, 647,125.79 and 254,078.25

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Solution

The fourth proportional to 468,932.37, 647,125.79 and 254,078.25 is: 350,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,932.37 : 647,125.79 = 254,078.25 : x
  2. Step 2: Convert to fraction form
    468,932.37/647,125.79 = 254,078.25/x
  3. Step 3: Cross multiply
    468,932.37x = 647,125.79 × 254,078.25
  4. Step 4: Simplify right side
    468,932.37x = 164,420,586,982.68
  5. Step 5: Solve for x
    x = 164,420,586,982.68/468,932.37
  6. Step 6: Final answer
    x = 350,627.51

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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.