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Finding the Fourth Proportional to 481,314.60, 721,971.90 and 455,653.80

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Solution

The fourth proportional to 481,314.60, 721,971.90 and 455,653.80 is: 683,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,314.60 : 721,971.90 = 455,653.80 : x
  2. Step 2: Convert to fraction form
    481,314.60/721,971.90 = 455,653.80/x
  3. Step 3: Cross multiply
    481,314.60x = 721,971.90 × 455,653.80
  4. Step 4: Simplify right side
    481,314.60x = 328,969,239,728.22
  5. Step 5: Solve for x
    x = 328,969,239,728.22/481,314.60
  6. Step 6: Final answer
    x = 683,480.70

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