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Finding the Fourth Proportional to 306,083.60, 459,125.40 and 221,665.40

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Solution

The fourth proportional to 306,083.60, 459,125.40 and 221,665.40 is: 332,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,083.60 : 459,125.40 = 221,665.40 : x
  2. Step 2: Convert to fraction form
    306,083.60/459,125.40 = 221,665.40/x
  3. Step 3: Cross multiply
    306,083.60x = 459,125.40 × 221,665.40
  4. Step 4: Simplify right side
    306,083.60x = 101,772,215,441.16
  5. Step 5: Solve for x
    x = 101,772,215,441.16/306,083.60
  6. Step 6: Final answer
    x = 332,498.10

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