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Finding the Fourth Proportional to 413,798.28, 620,705.23 and 114,286.83

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Solution

The fourth proportional to 413,798.28, 620,705.23 and 114,286.83 is: 171,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,798.28 : 620,705.23 = 114,286.83 : x
  2. Step 2: Convert to fraction form
    413,798.28/620,705.23 = 114,286.83/x
  3. Step 3: Cross multiply
    413,798.28x = 620,705.23 × 114,286.83
  4. Step 4: Simplify right side
    413,798.28x = 70,938,430,487.76
  5. Step 5: Solve for x
    x = 70,938,430,487.76/413,798.28
  6. Step 6: Final answer
    x = 171,432.40

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