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Finding the Fourth Proportional to 444,361.20, 666,541.32 and 144,841.68

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Solution

The fourth proportional to 444,361.20, 666,541.32 and 144,841.68 is: 217,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,361.20 : 666,541.32 = 144,841.68 : x
  2. Step 2: Convert to fraction form
    444,361.20/666,541.32 = 144,841.68/x
  3. Step 3: Cross multiply
    444,361.20x = 666,541.32 × 144,841.68
  4. Step 4: Simplify right side
    444,361.20x = 96,542,964,578.22
  5. Step 5: Solve for x
    x = 96,542,964,578.22/444,361.20
  6. Step 6: Final answer
    x = 217,262.36

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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.