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Finding the Fourth Proportional to 490,868.40, 736,302.60 and 254,672.40

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Solution

The fourth proportional to 490,868.40, 736,302.60 and 254,672.40 is: 382,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,868.40 : 736,302.60 = 254,672.40 : x
  2. Step 2: Convert to fraction form
    490,868.40/736,302.60 = 254,672.40/x
  3. Step 3: Cross multiply
    490,868.40x = 736,302.60 × 254,672.40
  4. Step 4: Simplify right side
    490,868.40x = 187,515,950,268.24
  5. Step 5: Solve for x
    x = 187,515,950,268.24/490,868.40
  6. Step 6: Final answer
    x = 382,008.60

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