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Finding the Fourth Proportional to 300,340.98, 414,429.62 and 179,456.72

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Solution

The fourth proportional to 300,340.98, 414,429.62 and 179,456.72 is: 247,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,340.98 : 414,429.62 = 179,456.72 : x
  2. Step 2: Convert to fraction form
    300,340.98/414,429.62 = 179,456.72/x
  3. Step 3: Cross multiply
    300,340.98x = 414,429.62 × 179,456.72
  4. Step 4: Simplify right side
    300,340.98x = 74,372,177,306.61
  5. Step 5: Solve for x
    x = 74,372,177,306.61/300,340.98
  6. Step 6: Final answer
    x = 247,625.81

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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.