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Finding the Fourth Proportional to 328,033.60, 492,050.40 and 216,059.20

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Solution

The fourth proportional to 328,033.60, 492,050.40 and 216,059.20 is: 324,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,033.60 : 492,050.40 = 216,059.20 : x
  2. Step 2: Convert to fraction form
    328,033.60/492,050.40 = 216,059.20/x
  3. Step 3: Cross multiply
    328,033.60x = 492,050.40 × 216,059.20
  4. Step 4: Simplify right side
    328,033.60x = 106,312,015,783.68
  5. Step 5: Solve for x
    x = 106,312,015,783.68/328,033.60
  6. Step 6: Final answer
    x = 324,088.80

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