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Finding the Fourth Proportional to 505,404.06, 697,375.25 and 298,643.68

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Solution

The fourth proportional to 505,404.06, 697,375.25 and 298,643.68 is: 412,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,404.06 : 697,375.25 = 298,643.68 : x
  2. Step 2: Convert to fraction form
    505,404.06/697,375.25 = 298,643.68/x
  3. Step 3: Cross multiply
    505,404.06x = 697,375.25 × 298,643.68
  4. Step 4: Simplify right side
    505,404.06x = 208,266,711,000.92
  5. Step 5: Solve for x
    x = 208,266,711,000.92/505,404.06
  6. Step 6: Final answer
    x = 412,079.62

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