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Finding the Fourth Proportional to 580,850.60, 870,876.30 and 295,989.80

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Solution

The fourth proportional to 580,850.60, 870,876.30 and 295,989.80 is: 443,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,850.60 : 870,876.30 = 295,989.80 : x
  2. Step 2: Convert to fraction form
    580,850.60/870,876.30 = 295,989.80/x
  3. Step 3: Cross multiply
    580,850.60x = 870,876.30 × 295,989.80
  4. Step 4: Simplify right side
    580,850.60x = 257,770,501,861.74
  5. Step 5: Solve for x
    x = 257,770,501,861.74/580,850.60
  6. Step 6: Final answer
    x = 443,781.07

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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.