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Finding the Fourth Proportional to 580,805.22, 870,872.58 and 225,403.86

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Solution

The fourth proportional to 580,805.22, 870,872.58 and 225,403.86 is: 337,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,805.22 : 870,872.58 = 225,403.86 : x
  2. Step 2: Convert to fraction form
    580,805.22/870,872.58 = 225,403.86/x
  3. Step 3: Cross multiply
    580,805.22x = 870,872.58 × 225,403.86
  4. Step 4: Simplify right side
    580,805.22x = 196,298,041,100.16
  5. Step 5: Solve for x
    x = 196,298,041,100.16/580,805.22
  6. Step 6: Final answer
    x = 337,975.68

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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.