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Finding the Fourth Proportional to 444,058.25, 666,169.54 and 140,528.80

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Solution

The fourth proportional to 444,058.25, 666,169.54 and 140,528.80 is: 210,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,058.25 : 666,169.54 = 140,528.80 : x
  2. Step 2: Convert to fraction form
    444,058.25/666,169.54 = 140,528.80/x
  3. Step 3: Cross multiply
    444,058.25x = 666,169.54 × 140,528.80
  4. Step 4: Simplify right side
    444,058.25x = 93,616,002,721.90
  5. Step 5: Solve for x
    x = 93,616,002,721.90/444,058.25
  6. Step 6: Final answer
    x = 210,819.20

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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.