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Finding the Fourth Proportional to 352,558.10, 528,059.55 and 212,071.70

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Solution

The fourth proportional to 352,558.10, 528,059.55 and 212,071.70 is: 317,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,558.10 : 528,059.55 = 212,071.70 : x
  2. Step 2: Convert to fraction form
    352,558.10/528,059.55 = 212,071.70/x
  3. Step 3: Cross multiply
    352,558.10x = 528,059.55 × 212,071.70
  4. Step 4: Simplify right side
    352,558.10x = 111,986,486,469.74
  5. Step 5: Solve for x
    x = 111,986,486,469.74/352,558.10
  6. Step 6: Final answer
    x = 317,639.81

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