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Finding the Fourth Proportional to 421,886.64, 582,088.23 and 240,532.44

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Solution

The fourth proportional to 421,886.64, 582,088.23 and 240,532.44 is: 331,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,886.64 : 582,088.23 = 240,532.44 : x
  2. Step 2: Convert to fraction form
    421,886.64/582,088.23 = 240,532.44/x
  3. Step 3: Cross multiply
    421,886.64x = 582,088.23 × 240,532.44
  4. Step 4: Simplify right side
    421,886.64x = 140,011,102,257.18
  5. Step 5: Solve for x
    x = 140,011,102,257.18/421,886.64
  6. Step 6: Final answer
    x = 331,869.01

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