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Finding the Fourth Proportional to 681,794.79, 940,883.34 and 375,882.36

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Solution

The fourth proportional to 681,794.79, 940,883.34 and 375,882.36 is: 518,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,794.79 : 940,883.34 = 375,882.36 : x
  2. Step 2: Convert to fraction form
    681,794.79/940,883.34 = 375,882.36/x
  3. Step 3: Cross multiply
    681,794.79x = 940,883.34 × 375,882.36
  4. Step 4: Simplify right side
    681,794.79x = 353,661,450,323.88
  5. Step 5: Solve for x
    x = 353,661,450,323.88/681,794.79
  6. Step 6: Final answer
    x = 518,721.26

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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.