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Finding the Fourth Proportional to 536,205.80, 804,600.30 and 220,694.60

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Solution

The fourth proportional to 536,205.80, 804,600.30 and 220,694.60 is: 331,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,205.80 : 804,600.30 = 220,694.60 : x
  2. Step 2: Convert to fraction form
    536,205.80/804,600.30 = 220,694.60/x
  3. Step 3: Cross multiply
    536,205.80x = 804,600.30 × 220,694.60
  4. Step 4: Simplify right side
    536,205.80x = 177,570,941,368.38
  5. Step 5: Solve for x
    x = 177,570,941,368.38/536,205.80
  6. Step 6: Final answer
    x = 331,161.92

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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.