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Finding the Fourth Proportional to 354,119.20, 530,401.20 and 307,463.20

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Solution

The fourth proportional to 354,119.20, 530,401.20 and 307,463.20 is: 460,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,119.20 : 530,401.20 = 307,463.20 : x
  2. Step 2: Convert to fraction form
    354,119.20/530,401.20 = 307,463.20/x
  3. Step 3: Cross multiply
    354,119.20x = 530,401.20 × 307,463.20
  4. Step 4: Simplify right side
    354,119.20x = 163,078,850,235.84
  5. Step 5: Solve for x
    x = 163,078,850,235.84/354,119.20
  6. Step 6: Final answer
    x = 460,519.65

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