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Finding the Fourth Proportional to 293,892.60, 440,450.10 and 260,455.80

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Solution

The fourth proportional to 293,892.60, 440,450.10 and 260,455.80 is: 390,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,892.60 : 440,450.10 = 260,455.80 : x
  2. Step 2: Convert to fraction form
    293,892.60/440,450.10 = 260,455.80/x
  3. Step 3: Cross multiply
    293,892.60x = 440,450.10 × 260,455.80
  4. Step 4: Simplify right side
    293,892.60x = 114,717,783,155.58
  5. Step 5: Solve for x
    x = 114,717,783,155.58/293,892.60
  6. Step 6: Final answer
    x = 390,339.13

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