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Finding the Fourth Proportional to 236,469.80, 354,704.70 and 206,945.30

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Solution

The fourth proportional to 236,469.80, 354,704.70 and 206,945.30 is: 310,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.80 : 354,704.70 = 206,945.30 : x
  2. Step 2: Convert to fraction form
    236,469.80/354,704.70 = 206,945.30/x
  3. Step 3: Cross multiply
    236,469.80x = 354,704.70 × 206,945.30
  4. Step 4: Simplify right side
    236,469.80x = 73,404,470,552.91
  5. Step 5: Solve for x
    x = 73,404,470,552.91/236,469.80
  6. Step 6: Final answer
    x = 310,417.95

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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.