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Finding the Fourth Proportional to 580,661.08, 870,845.46 and 206,596.60

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Solution

The fourth proportional to 580,661.08, 870,845.46 and 206,596.60 is: 309,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.08 : 870,845.46 = 206,596.60 : x
  2. Step 2: Convert to fraction form
    580,661.08/870,845.46 = 206,596.60/x
  3. Step 3: Cross multiply
    580,661.08x = 870,845.46 × 206,596.60
  4. Step 4: Simplify right side
    580,661.08x = 179,913,711,161.44
  5. Step 5: Solve for x
    x = 179,913,711,161.44/580,661.08
  6. Step 6: Final answer
    x = 309,842.90

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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.