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Finding the Fourth Proportional to 305,715.60, 458,573.40 and 293,468.40

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Solution

The fourth proportional to 305,715.60, 458,573.40 and 293,468.40 is: 440,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,715.60 : 458,573.40 = 293,468.40 : x
  2. Step 2: Convert to fraction form
    305,715.60/458,573.40 = 293,468.40/x
  3. Step 3: Cross multiply
    305,715.60x = 458,573.40 × 293,468.40
  4. Step 4: Simplify right side
    305,715.60x = 134,576,801,980.56
  5. Step 5: Solve for x
    x = 134,576,801,980.56/305,715.60
  6. Step 6: Final answer
    x = 440,202.60

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