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Finding the Fourth Proportional to 456,870.58, 629,073.18 and 405,794.56

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Solution

The fourth proportional to 456,870.58, 629,073.18 and 405,794.56 is: 558,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,870.58 : 629,073.18 = 405,794.56 : x
  2. Step 2: Convert to fraction form
    456,870.58/629,073.18 = 405,794.56/x
  3. Step 3: Cross multiply
    456,870.58x = 629,073.18 × 405,794.56
  4. Step 4: Simplify right side
    456,870.58x = 255,274,474,285.90
  5. Step 5: Solve for x
    x = 255,274,474,285.90/456,870.58
  6. Step 6: Final answer
    x = 558,745.70

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