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Finding the Fourth Proportional to 681,694.08, 940,744.44 and 375,782.28

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Solution

The fourth proportional to 681,694.08, 940,744.44 and 375,782.28 is: 518,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,694.08 : 940,744.44 = 375,782.28 : x
  2. Step 2: Convert to fraction form
    681,694.08/940,744.44 = 375,782.28/x
  3. Step 3: Cross multiply
    681,694.08x = 940,744.44 × 375,782.28
  4. Step 4: Simplify right side
    681,694.08x = 353,515,090,560.52
  5. Step 5: Solve for x
    x = 353,515,090,560.52/681,694.08
  6. Step 6: Final answer
    x = 518,583.19

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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.