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Finding the Fourth Proportional to 606,224.91, 909,430.80 and 206,772.36

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Solution

The fourth proportional to 606,224.91, 909,430.80 and 206,772.36 is: 310,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,224.91 : 909,430.80 = 206,772.36 : x
  2. Step 2: Convert to fraction form
    606,224.91/909,430.80 = 206,772.36/x
  3. Step 3: Cross multiply
    606,224.91x = 909,430.80 × 206,772.36
  4. Step 4: Simplify right side
    606,224.91x = 188,045,152,772.69
  5. Step 5: Solve for x
    x = 188,045,152,772.69/606,224.91
  6. Step 6: Final answer
    x = 310,190.41

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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.