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Finding the Fourth Proportional to 417,953.70, 576,867.96 and 274,727.07

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Solution

The fourth proportional to 417,953.70, 576,867.96 and 274,727.07 is: 379,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,953.70 : 576,867.96 = 274,727.07 : x
  2. Step 2: Convert to fraction form
    417,953.70/576,867.96 = 274,727.07/x
  3. Step 3: Cross multiply
    417,953.70x = 576,867.96 × 274,727.07
  4. Step 4: Simplify right side
    417,953.70x = 158,481,244,427.68
  5. Step 5: Solve for x
    x = 158,481,244,427.68/417,953.70
  6. Step 6: Final answer
    x = 379,183.73

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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.