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Finding the Fourth Proportional to 371,683.28, 512,920.08 and 201,918.60

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Solution

The fourth proportional to 371,683.28, 512,920.08 and 201,918.60 is: 278,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,683.28 : 512,920.08 = 201,918.60 : x
  2. Step 2: Convert to fraction form
    371,683.28/512,920.08 = 201,918.60/x
  3. Step 3: Cross multiply
    371,683.28x = 512,920.08 × 201,918.60
  4. Step 4: Simplify right side
    371,683.28x = 103,568,104,465.49
  5. Step 5: Solve for x
    x = 103,568,104,465.49/371,683.28
  6. Step 6: Final answer
    x = 278,646.12

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