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Finding the Fourth Proportional to 681,515.11, 940,497.38 and 375,602.59

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Solution

The fourth proportional to 681,515.11, 940,497.38 and 375,602.59 is: 518,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,515.11 : 940,497.38 = 375,602.59 : x
  2. Step 2: Convert to fraction form
    681,515.11/940,497.38 = 375,602.59/x
  3. Step 3: Cross multiply
    681,515.11x = 940,497.38 × 375,602.59
  4. Step 4: Simplify right side
    681,515.11x = 353,253,251,816.21
  5. Step 5: Solve for x
    x = 353,253,251,816.21/681,515.11
  6. Step 6: Final answer
    x = 518,335.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.