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Finding the Fourth Proportional to 471,791.61, 651,067.94 and 256,935.26

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Solution

The fourth proportional to 471,791.61, 651,067.94 and 256,935.26 is: 354,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,791.61 : 651,067.94 = 256,935.26 : x
  2. Step 2: Convert to fraction form
    471,791.61/651,067.94 = 256,935.26/x
  3. Step 3: Cross multiply
    471,791.61x = 651,067.94 × 256,935.26
  4. Step 4: Simplify right side
    471,791.61x = 167,282,310,441.56
  5. Step 5: Solve for x
    x = 167,282,310,441.56/471,791.61
  6. Step 6: Final answer
    x = 354,568.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.