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Finding the Fourth Proportional to 662,949.23, 994,857.48 and 363,640.51

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Solution

The fourth proportional to 662,949.23, 994,857.48 and 363,640.51 is: 545,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,949.23 : 994,857.48 = 363,640.51 : x
  2. Step 2: Convert to fraction form
    662,949.23/994,857.48 = 363,640.51/x
  3. Step 3: Cross multiply
    662,949.23x = 994,857.48 × 363,640.51
  4. Step 4: Simplify right side
    662,949.23x = 361,770,481,404.52
  5. Step 5: Solve for x
    x = 361,770,481,404.52/662,949.23
  6. Step 6: Final answer
    x = 545,698.63

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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.