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Finding the Fourth Proportional to 580,194.72, 870,273.84 and 159,466.96

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Solution

The fourth proportional to 580,194.72, 870,273.84 and 159,466.96 is: 239,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,194.72 : 870,273.84 = 159,466.96 : x
  2. Step 2: Convert to fraction form
    580,194.72/870,273.84 = 159,466.96/x
  3. Step 3: Cross multiply
    580,194.72x = 870,273.84 × 159,466.96
  4. Step 4: Simplify right side
    580,194.72x = 138,779,923,632.33
  5. Step 5: Solve for x
    x = 138,779,923,632.33/580,194.72
  6. Step 6: Final answer
    x = 239,195.43

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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.