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Finding the Fourth Proportional to 340,047.40, 510,071.10 and 303,305.80

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Solution

The fourth proportional to 340,047.40, 510,071.10 and 303,305.80 is: 454,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,047.40 : 510,071.10 = 303,305.80 : x
  2. Step 2: Convert to fraction form
    340,047.40/510,071.10 = 303,305.80/x
  3. Step 3: Cross multiply
    340,047.40x = 510,071.10 × 303,305.80
  4. Step 4: Simplify right side
    340,047.40x = 154,707,523,042.38
  5. Step 5: Solve for x
    x = 154,707,523,042.38/340,047.40
  6. Step 6: Final answer
    x = 454,958.70

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