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Finding the Fourth Proportional to 309,480.75, 464,221.13 and 204,275.11

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Solution

The fourth proportional to 309,480.75, 464,221.13 and 204,275.11 is: 306,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,480.75 : 464,221.13 = 204,275.11 : x
  2. Step 2: Convert to fraction form
    309,480.75/464,221.13 = 204,275.11/x
  3. Step 3: Cross multiply
    309,480.75x = 464,221.13 × 204,275.11
  4. Step 4: Simplify right side
    309,480.75x = 94,828,822,395.07
  5. Step 5: Solve for x
    x = 94,828,822,395.07/309,480.75
  6. Step 6: Final answer
    x = 306,412.67

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