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Finding the Fourth Proportional to 300,661.93, 414,899.87 and 179,869.82

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Solution

The fourth proportional to 300,661.93, 414,899.87 and 179,869.82 is: 248,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,661.93 : 414,899.87 = 179,869.82 : x
  2. Step 2: Convert to fraction form
    300,661.93/414,899.87 = 179,869.82/x
  3. Step 3: Cross multiply
    300,661.93x = 414,899.87 × 179,869.82
  4. Step 4: Simplify right side
    300,661.93x = 74,627,962,972.84
  5. Step 5: Solve for x
    x = 74,627,962,972.84/300,661.93
  6. Step 6: Final answer
    x = 248,212.22

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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.