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Finding the Fourth Proportional to 483,620.20, 666,692.48 and 337,973.80

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Solution

The fourth proportional to 483,620.20, 666,692.48 and 337,973.80 is: 465,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,620.20 : 666,692.48 = 337,973.80 : x
  2. Step 2: Convert to fraction form
    483,620.20/666,692.48 = 337,973.80/x
  3. Step 3: Cross multiply
    483,620.20x = 666,692.48 × 337,973.80
  4. Step 4: Simplify right side
    483,620.20x = 225,324,590,897.02
  5. Step 5: Solve for x
    x = 225,324,590,897.02/483,620.20
  6. Step 6: Final answer
    x = 465,912.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.