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Finding the Fourth Proportional to 298,800.40, 448,200.60 and 296,726.80

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Solution

The fourth proportional to 298,800.40, 448,200.60 and 296,726.80 is: 445,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,800.40 : 448,200.60 = 296,726.80 : x
  2. Step 2: Convert to fraction form
    298,800.40/448,200.60 = 296,726.80/x
  3. Step 3: Cross multiply
    298,800.40x = 448,200.60 × 296,726.80
  4. Step 4: Simplify right side
    298,800.40x = 132,993,129,796.08
  5. Step 5: Solve for x
    x = 132,993,129,796.08/298,800.40
  6. Step 6: Final answer
    x = 445,090.20

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