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Finding the Fourth Proportional to 385,800.72, 532,414.44 and 216,069.36

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Solution

The fourth proportional to 385,800.72, 532,414.44 and 216,069.36 is: 298,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,800.72 : 532,414.44 = 216,069.36 : x
  2. Step 2: Convert to fraction form
    385,800.72/532,414.44 = 216,069.36/x
  3. Step 3: Cross multiply
    385,800.72x = 532,414.44 × 216,069.36
  4. Step 4: Simplify right side
    385,800.72x = 115,038,447,305.56
  5. Step 5: Solve for x
    x = 115,038,447,305.56/385,800.72
  6. Step 6: Final answer
    x = 298,181.01

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