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Finding the Fourth Proportional to 444,553.92, 613,469.28 and 253,629.12

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Solution

The fourth proportional to 444,553.92, 613,469.28 and 253,629.12 is: 349,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,553.92 : 613,469.28 = 253,629.12 : x
  2. Step 2: Convert to fraction form
    444,553.92/613,469.28 = 253,629.12/x
  3. Step 3: Cross multiply
    444,553.92x = 613,469.28 × 253,629.12
  4. Step 4: Simplify right side
    444,553.92x = 155,593,673,633.43
  5. Step 5: Solve for x
    x = 155,593,673,633.43/444,553.92
  6. Step 6: Final answer
    x = 349,999.55

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1.5x scale

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.