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Finding the Fourth Proportional to 319,696,977.70, 479,545,466.55 and 319,696,977.70

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Solution

The fourth proportional to 319,696,977.70, 479,545,466.55 and 319,696,977.70 is: 479,545,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,696,977.70 : 479,545,466.55 = 319,696,977.70 : x
  2. Step 2: Convert to fraction form
    319,696,977.70/479,545,466.55 = 319,696,977.70/x
  3. Step 3: Cross multiply
    319,696,977.70x = 479,545,466.55 × 319,696,977.70
  4. Step 4: Simplify right side
    319,696,977.70x = 153,309,236,325,771,456
  5. Step 5: Solve for x
    x = 153,309,236,325,771,456/319,696,977.70
  6. Step 6: Final answer
    x = 479,545,466.55

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