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Finding the Fourth Proportional to 580,227.05, 870,299.49 and 153,753.44

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Solution

The fourth proportional to 580,227.05, 870,299.49 and 153,753.44 is: 230,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,227.05 : 870,299.49 = 153,753.44 : x
  2. Step 2: Convert to fraction form
    580,227.05/870,299.49 = 153,753.44/x
  3. Step 3: Cross multiply
    580,227.05x = 870,299.49 × 153,753.44
  4. Step 4: Simplify right side
    580,227.05x = 133,811,536,066.25
  5. Step 5: Solve for x
    x = 133,811,536,066.25/580,227.05
  6. Step 6: Final answer
    x = 230,619.27

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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.