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Finding the Fourth Proportional to 660,230.81, 990,488.30 and 204,812.97

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Solution

The fourth proportional to 660,230.81, 990,488.30 and 204,812.97 is: 307,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,230.81 : 990,488.30 = 204,812.97 : x
  2. Step 2: Convert to fraction form
    660,230.81/990,488.30 = 204,812.97/x
  3. Step 3: Cross multiply
    660,230.81x = 990,488.30 × 204,812.97
  4. Step 4: Simplify right side
    660,230.81x = 202,864,849,449.19
  5. Step 5: Solve for x
    x = 202,864,849,449.19/660,230.81
  6. Step 6: Final answer
    x = 307,263.53

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