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Finding the Fourth Proportional to 303,901.30, 419,410.41 and 201,746.26

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Solution

The fourth proportional to 303,901.30, 419,410.41 and 201,746.26 is: 278,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.30 : 419,410.41 = 201,746.26 : x
  2. Step 2: Convert to fraction form
    303,901.30/419,410.41 = 201,746.26/x
  3. Step 3: Cross multiply
    303,901.30x = 419,410.41 × 201,746.26
  4. Step 4: Simplify right side
    303,901.30x = 84,614,481,622.57
  5. Step 5: Solve for x
    x = 84,614,481,622.57/303,901.30
  6. Step 6: Final answer
    x = 278,427.51

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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.