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Finding the Fourth Proportional to 609,227.20, 913,866.80 and 188,511.04

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Solution

The fourth proportional to 609,227.20, 913,866.80 and 188,511.04 is: 282,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,227.20 : 913,866.80 = 188,511.04 : x
  2. Step 2: Convert to fraction form
    609,227.20/913,866.80 = 188,511.04/x
  3. Step 3: Cross multiply
    609,227.20x = 913,866.80 × 188,511.04
  4. Step 4: Simplify right side
    609,227.20x = 172,273,980,889.47
  5. Step 5: Solve for x
    x = 172,273,980,889.47/609,227.20
  6. Step 6: Final answer
    x = 282,774.61

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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.