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Finding the Fourth Proportional to 353,136.60, 529,704.90 and 324,106.20

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Solution

The fourth proportional to 353,136.60, 529,704.90 and 324,106.20 is: 486,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,136.60 : 529,704.90 = 324,106.20 : x
  2. Step 2: Convert to fraction form
    353,136.60/529,704.90 = 324,106.20/x
  3. Step 3: Cross multiply
    353,136.60x = 529,704.90 × 324,106.20
  4. Step 4: Simplify right side
    353,136.60x = 171,680,642,260.38
  5. Step 5: Solve for x
    x = 171,680,642,260.38/353,136.60
  6. Step 6: Final answer
    x = 486,159.30

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