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Finding the Fourth Proportional to 653,889.69, 980,992.62 and 227,363.94

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Solution

The fourth proportional to 653,889.69, 980,992.62 and 227,363.94 is: 341,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,889.69 : 980,992.62 = 227,363.94 : x
  2. Step 2: Convert to fraction form
    653,889.69/980,992.62 = 227,363.94/x
  3. Step 3: Cross multiply
    653,889.69x = 980,992.62 × 227,363.94
  4. Step 4: Simplify right side
    653,889.69x = 223,042,347,194.12
  5. Step 5: Solve for x
    x = 223,042,347,194.12/653,889.69
  6. Step 6: Final answer
    x = 341,100.88

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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.