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Finding the Fourth Proportional to 404,359.43, 606,435.31 and 119,982.70

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Solution

The fourth proportional to 404,359.43, 606,435.31 and 119,982.70 is: 179,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,359.43 : 606,435.31 = 119,982.70 : x
  2. Step 2: Convert to fraction form
    404,359.43/606,435.31 = 119,982.70/x
  3. Step 3: Cross multiply
    404,359.43x = 606,435.31 × 119,982.70
  4. Step 4: Simplify right side
    404,359.43x = 72,761,746,102.26
  5. Step 5: Solve for x
    x = 72,761,746,102.26/404,359.43
  6. Step 6: Final answer
    x = 179,943.24

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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.