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Finding the Fourth Proportional to 447,313.52, 617,057.39 and 265,896.41

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Solution

The fourth proportional to 447,313.52, 617,057.39 and 265,896.41 is: 366,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,313.52 : 617,057.39 = 265,896.41 : x
  2. Step 2: Convert to fraction form
    447,313.52/617,057.39 = 265,896.41/x
  3. Step 3: Cross multiply
    447,313.52x = 617,057.39 × 265,896.41
  4. Step 4: Simplify right side
    447,313.52x = 164,073,340,350.20
  5. Step 5: Solve for x
    x = 164,073,340,350.20/447,313.52
  6. Step 6: Final answer
    x = 366,797.19

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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.