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Finding the Fourth Proportional to 417,939.06, 576,750.81 and 226,953.82

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Solution

The fourth proportional to 417,939.06, 576,750.81 and 226,953.82 is: 313,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,939.06 : 576,750.81 = 226,953.82 : x
  2. Step 2: Convert to fraction form
    417,939.06/576,750.81 = 226,953.82/x
  3. Step 3: Cross multiply
    417,939.06x = 576,750.81 × 226,953.82
  4. Step 4: Simplify right side
    417,939.06x = 130,895,799,517.59
  5. Step 5: Solve for x
    x = 130,895,799,517.59/417,939.06
  6. Step 6: Final answer
    x = 313,193.51

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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.