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Finding the Fourth Proportional to 672,379.97, 927,872.28 and 366,454.58

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Solution

The fourth proportional to 672,379.97, 927,872.28 and 366,454.58 is: 505,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,379.97 : 927,872.28 = 366,454.58 : x
  2. Step 2: Convert to fraction form
    672,379.97/927,872.28 = 366,454.58/x
  3. Step 3: Cross multiply
    672,379.97x = 927,872.28 × 366,454.58
  4. Step 4: Simplify right side
    672,379.97x = 340,023,042,021.68
  5. Step 5: Solve for x
    x = 340,023,042,021.68/672,379.97
  6. Step 6: Final answer
    x = 505,700.73

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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.