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Finding the Fourth Proportional to 454,512.60, 681,768.90 and 201,695.40

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Solution

The fourth proportional to 454,512.60, 681,768.90 and 201,695.40 is: 302,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,512.60 : 681,768.90 = 201,695.40 : x
  2. Step 2: Convert to fraction form
    454,512.60/681,768.90 = 201,695.40/x
  3. Step 3: Cross multiply
    454,512.60x = 681,768.90 × 201,695.40
  4. Step 4: Simplify right side
    454,512.60x = 137,509,650,993.06
  5. Step 5: Solve for x
    x = 137,509,650,993.06/454,512.60
  6. Step 6: Final answer
    x = 302,543.10

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