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Finding the Fourth Proportional to 681,597.36, 940,645.44 and 375,673.32

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Solution

The fourth proportional to 681,597.36, 940,645.44 and 375,673.32 is: 518,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,597.36 : 940,645.44 = 375,673.32 : x
  2. Step 2: Convert to fraction form
    681,597.36/940,645.44 = 375,673.32/x
  3. Step 3: Cross multiply
    681,597.36x = 940,645.44 × 375,673.32
  4. Step 4: Simplify right side
    681,597.36x = 353,375,395,387.66
  5. Step 5: Solve for x
    x = 353,375,395,387.66/681,597.36
  6. Step 6: Final answer
    x = 518,451.83

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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.