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Finding the Fourth Proportional to 397,999.40, 596,480.70 and 161,148.20

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Solution

The fourth proportional to 397,999.40, 596,480.70 and 161,148.20 is: 241,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,999.40 : 596,480.70 = 161,148.20 : x
  2. Step 2: Convert to fraction form
    397,999.40/596,480.70 = 161,148.20/x
  3. Step 3: Cross multiply
    397,999.40x = 596,480.70 × 161,148.20
  4. Step 4: Simplify right side
    397,999.40x = 96,121,791,139.74
  5. Step 5: Solve for x
    x = 96,121,791,139.74/397,999.40
  6. Step 6: Final answer
    x = 241,512.40

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