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Finding the Fourth Proportional to 606,227.91, 909,435.30 and 206,775.36

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Solution

The fourth proportional to 606,227.91, 909,435.30 and 206,775.36 is: 310,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,227.91 : 909,435.30 = 206,775.36 : x
  2. Step 2: Convert to fraction form
    606,227.91/909,435.30 = 206,775.36/x
  3. Step 3: Cross multiply
    606,227.91x = 909,435.30 × 206,775.36
  4. Step 4: Simplify right side
    606,227.91x = 188,048,811,554.21
  5. Step 5: Solve for x
    x = 188,048,811,554.21/606,227.91
  6. Step 6: Final answer
    x = 310,194.91

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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.