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Finding the Fourth Proportional to 476,445.79, 657,496.32 and 261,599.64

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Solution

The fourth proportional to 476,445.79, 657,496.32 and 261,599.64 is: 361,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,445.79 : 657,496.32 = 261,599.64 : x
  2. Step 2: Convert to fraction form
    476,445.79/657,496.32 = 261,599.64/x
  3. Step 3: Cross multiply
    476,445.79x = 657,496.32 × 261,599.64
  4. Step 4: Simplify right side
    476,445.79x = 172,000,800,613.33
  5. Step 5: Solve for x
    x = 172,000,800,613.33/476,445.79
  6. Step 6: Final answer
    x = 361,008.12

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