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Finding the Fourth Proportional to 681,771.01, 940,850.36 and 375,858.37

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Solution

The fourth proportional to 681,771.01, 940,850.36 and 375,858.37 is: 518,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,771.01 : 940,850.36 = 375,858.37 : x
  2. Step 2: Convert to fraction form
    681,771.01/940,850.36 = 375,858.37/x
  3. Step 3: Cross multiply
    681,771.01x = 940,850.36 × 375,858.37
  4. Step 4: Simplify right side
    681,771.01x = 353,626,480,844.22
  5. Step 5: Solve for x
    x = 353,626,480,844.22/681,771.01
  6. Step 6: Final answer
    x = 518,688.06

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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.