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Finding the Fourth Proportional to 536,200.80, 804,592.80 and 220,689.60

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Solution

The fourth proportional to 536,200.80, 804,592.80 and 220,689.60 is: 331,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,200.80 : 804,592.80 = 220,689.60 : x
  2. Step 2: Convert to fraction form
    536,200.80/804,592.80 = 220,689.60/x
  3. Step 3: Cross multiply
    536,200.80x = 804,592.80 × 220,689.60
  4. Step 4: Simplify right side
    536,200.80x = 177,565,263,194.88
  5. Step 5: Solve for x
    x = 177,565,263,194.88/536,200.80
  6. Step 6: Final answer
    x = 331,154.42

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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.