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Finding the Fourth Proportional to 444,661.76, 613,694.40 and 272,682.56

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Solution

The fourth proportional to 444,661.76, 613,694.40 and 272,682.56 is: 376,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,661.76 : 613,694.40 = 272,682.56 : x
  2. Step 2: Convert to fraction form
    444,661.76/613,694.40 = 272,682.56/x
  3. Step 3: Cross multiply
    444,661.76x = 613,694.40 × 272,682.56
  4. Step 4: Simplify right side
    444,661.76x = 167,343,760,049.66
  5. Step 5: Solve for x
    x = 167,343,760,049.66/444,661.76
  6. Step 6: Final answer
    x = 376,339.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.