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Finding the Fourth Proportional to 414,490.36, 621,735.48 and 114,970.96

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Solution

The fourth proportional to 414,490.36, 621,735.48 and 114,970.96 is: 172,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,490.36 : 621,735.48 = 114,970.96 : x
  2. Step 2: Convert to fraction form
    414,490.36/621,735.48 = 114,970.96/x
  3. Step 3: Cross multiply
    414,490.36x = 621,735.48 × 114,970.96
  4. Step 4: Simplify right side
    414,490.36x = 71,481,525,001.66
  5. Step 5: Solve for x
    x = 71,481,525,001.66/414,490.36
  6. Step 6: Final answer
    x = 172,456.42

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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.