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Finding the Fourth Proportional to 681,529.26, 940,670.65 and 423,601

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Solution

The fourth proportional to 681,529.26, 940,670.65 and 423,601 is: 584,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,529.26 : 940,670.65 = 423,601 : x
  2. Step 2: Convert to fraction form
    681,529.26/940,670.65 = 423,601/x
  3. Step 3: Cross multiply
    681,529.26x = 940,670.65 × 423,601
  4. Step 4: Simplify right side
    681,529.26x = 398,469,028,010.65
  5. Step 5: Solve for x
    x = 398,469,028,010.65/681,529.26
  6. Step 6: Final answer
    x = 584,669.00

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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.