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Finding the Fourth Proportional to 444,426.77, 613,201.89 and 269,991.90

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Solution

The fourth proportional to 444,426.77, 613,201.89 and 269,991.90 is: 372,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,426.77 : 613,201.89 = 269,991.90 : x
  2. Step 2: Convert to fraction form
    444,426.77/613,201.89 = 269,991.90/x
  3. Step 3: Cross multiply
    444,426.77x = 613,201.89 × 269,991.90
  4. Step 4: Simplify right side
    444,426.77x = 165,559,545,572.68
  5. Step 5: Solve for x
    x = 165,559,545,572.68/444,426.77
  6. Step 6: Final answer
    x = 372,523.79

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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.