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Finding the Fourth Proportional to 575,793.60, 863,366.40 and 220,819.20

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Solution

The fourth proportional to 575,793.60, 863,366.40 and 220,819.20 is: 331,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,793.60 : 863,366.40 = 220,819.20 : x
  2. Step 2: Convert to fraction form
    575,793.60/863,366.40 = 220,819.20/x
  3. Step 3: Cross multiply
    575,793.60x = 863,366.40 × 220,819.20
  4. Step 4: Simplify right side
    575,793.60x = 190,647,877,754.88
  5. Step 5: Solve for x
    x = 190,647,877,754.88/575,793.60
  6. Step 6: Final answer
    x = 331,104.54

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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.