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Finding the Fourth Proportional to 446,578.80, 669,673.80 and 146,943.60

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Solution

The fourth proportional to 446,578.80, 669,673.80 and 146,943.60 is: 220,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,578.80 : 669,673.80 = 146,943.60 : x
  2. Step 2: Convert to fraction form
    446,578.80/669,673.80 = 146,943.60/x
  3. Step 3: Cross multiply
    446,578.80x = 669,673.80 × 146,943.60
  4. Step 4: Simplify right side
    446,578.80x = 98,404,278,997.68
  5. Step 5: Solve for x
    x = 98,404,278,997.68/446,578.80
  6. Step 6: Final answer
    x = 220,351.43

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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.