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Finding the Fourth Proportional to 245,047.80, 367,790.40 and 211,805.40

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Solution

The fourth proportional to 245,047.80, 367,790.40 and 211,805.40 is: 317,897.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,047.80 : 367,790.40 = 211,805.40 : x
  2. Step 2: Convert to fraction form
    245,047.80/367,790.40 = 211,805.40/x
  3. Step 3: Cross multiply
    245,047.80x = 367,790.40 × 211,805.40
  4. Step 4: Simplify right side
    245,047.80x = 77,899,992,788.16
  5. Step 5: Solve for x
    x = 77,899,992,788.16/245,047.80
  6. Step 6: Final answer
    x = 317,897.13

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