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Finding the Fourth Proportional to 727,568.16, 1,003,682.97 and 486,174.48

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Solution

The fourth proportional to 727,568.16, 1,003,682.97 and 486,174.48 is: 670,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,568.16 : 1,003,682.97 = 486,174.48 : x
  2. Step 2: Convert to fraction form
    727,568.16/1,003,682.97 = 486,174.48/x
  3. Step 3: Cross multiply
    727,568.16x = 1,003,682.97 × 486,174.48
  4. Step 4: Simplify right side
    727,568.16x = 487,965,046,024.61
  5. Step 5: Solve for x
    x = 487,965,046,024.61/727,568.16
  6. Step 6: Final answer
    x = 670,679.49

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