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Finding the Fourth Proportional to 522,025.20, 782,454.60 and 222,454.80

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Solution

The fourth proportional to 522,025.20, 782,454.60 and 222,454.80 is: 333,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,025.20 : 782,454.60 = 222,454.80 : x
  2. Step 2: Convert to fraction form
    522,025.20/782,454.60 = 222,454.80/x
  3. Step 3: Cross multiply
    522,025.20x = 782,454.60 × 222,454.80
  4. Step 4: Simplify right side
    522,025.20x = 174,060,781,552.08
  5. Step 5: Solve for x
    x = 174,060,781,552.08/522,025.20
  6. Step 6: Final answer
    x = 333,433.68

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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.