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Finding the Fourth Proportional to 681,189.04, 940,114.38 and 375,296.68

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Solution

The fourth proportional to 681,189.04, 940,114.38 and 375,296.68 is: 517,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,189.04 : 940,114.38 = 375,296.68 : x
  2. Step 2: Convert to fraction form
    681,189.04/940,114.38 = 375,296.68/x
  3. Step 3: Cross multiply
    681,189.04x = 940,114.38 × 375,296.68
  4. Step 4: Simplify right side
    681,189.04x = 352,821,805,634.26
  5. Step 5: Solve for x
    x = 352,821,805,634.26/681,189.04
  6. Step 6: Final answer
    x = 517,949.92

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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.