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Finding the Fourth Proportional to 411,146.55, 616,644.36 and 186,452.96

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Solution

The fourth proportional to 411,146.55, 616,644.36 and 186,452.96 is: 279,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,146.55 : 616,644.36 = 186,452.96 : x
  2. Step 2: Convert to fraction form
    411,146.55/616,644.36 = 186,452.96/x
  3. Step 3: Cross multiply
    411,146.55x = 616,644.36 × 186,452.96
  4. Step 4: Simplify right side
    411,146.55x = 114,975,163,106.08
  5. Step 5: Solve for x
    x = 114,975,163,106.08/411,146.55
  6. Step 6: Final answer
    x = 279,645.21

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