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Finding the Fourth Proportional to 931,626.28, 1,397,491.26 and 266,761

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Solution

The fourth proportional to 931,626.28, 1,397,491.26 and 266,761 is: 400,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,626.28 : 1,397,491.26 = 266,761 : x
  2. Step 2: Convert to fraction form
    931,626.28/1,397,491.26 = 266,761/x
  3. Step 3: Cross multiply
    931,626.28x = 1,397,491.26 × 266,761
  4. Step 4: Simplify right side
    931,626.28x = 372,796,166,008.86
  5. Step 5: Solve for x
    x = 372,796,166,008.86/931,626.28
  6. Step 6: Final answer
    x = 400,156.34

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