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Finding the Fourth Proportional to 414,820.66, 622,227.51 and 115,300.36

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Solution

The fourth proportional to 414,820.66, 622,227.51 and 115,300.36 is: 172,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,820.66 : 622,227.51 = 115,300.36 : x
  2. Step 2: Convert to fraction form
    414,820.66/622,227.51 = 115,300.36/x
  3. Step 3: Cross multiply
    414,820.66x = 622,227.51 × 115,300.36
  4. Step 4: Simplify right side
    414,820.66x = 71,743,054,349.33
  5. Step 5: Solve for x
    x = 71,743,054,349.33/414,820.66
  6. Step 6: Final answer
    x = 172,949.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.