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Finding the Fourth Proportional to 457,175.40, 685,763.10 and 190,847.40

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Solution

The fourth proportional to 457,175.40, 685,763.10 and 190,847.40 is: 286,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,175.40 : 685,763.10 = 190,847.40 : x
  2. Step 2: Convert to fraction form
    457,175.40/685,763.10 = 190,847.40/x
  3. Step 3: Cross multiply
    457,175.40x = 685,763.10 × 190,847.40
  4. Step 4: Simplify right side
    457,175.40x = 130,876,104,650.94
  5. Step 5: Solve for x
    x = 130,876,104,650.94/457,175.40
  6. Step 6: Final answer
    x = 286,271.10

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