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Finding the Fourth Proportional to 580,453.56, 870,815.34 and 181,072.80

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Solution

The fourth proportional to 580,453.56, 870,815.34 and 181,072.80 is: 271,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,453.56 : 870,815.34 = 181,072.80 : x
  2. Step 2: Convert to fraction form
    580,453.56/870,815.34 = 181,072.80/x
  3. Step 3: Cross multiply
    580,453.56x = 870,815.34 × 181,072.80
  4. Step 4: Simplify right side
    580,453.56x = 157,680,971,896.75
  5. Step 5: Solve for x
    x = 157,680,971,896.75/580,453.56
  6. Step 6: Final answer
    x = 271,651.31

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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.