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Finding the Fourth Proportional to 536,190.80, 804,577.80 and 220,679.60

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Solution

The fourth proportional to 536,190.80, 804,577.80 and 220,679.60 is: 331,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,190.80 : 804,577.80 = 220,679.60 : x
  2. Step 2: Convert to fraction form
    536,190.80/804,577.80 = 220,679.60/x
  3. Step 3: Cross multiply
    536,190.80x = 804,577.80 × 220,679.60
  4. Step 4: Simplify right side
    536,190.80x = 177,553,907,072.88
  5. Step 5: Solve for x
    x = 177,553,907,072.88/536,190.80
  6. Step 6: Final answer
    x = 331,139.41

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1.5x scale

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.