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Finding the Fourth Proportional to 443,340.74, 665,104.64 and 143,798.06

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Solution

The fourth proportional to 443,340.74, 665,104.64 and 143,798.06 is: 215,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,340.74 : 665,104.64 = 143,798.06 : x
  2. Step 2: Convert to fraction form
    443,340.74/665,104.64 = 143,798.06/x
  3. Step 3: Cross multiply
    443,340.74x = 665,104.64 × 143,798.06
  4. Step 4: Simplify right side
    443,340.74x = 95,640,756,929.00
  5. Step 5: Solve for x
    x = 95,640,756,929.00/443,340.74
  6. Step 6: Final answer
    x = 215,727.43

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