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Finding the Fourth Proportional to 415,289.15, 622,985.59 and 162,536.95

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Solution

The fourth proportional to 415,289.15, 622,985.59 and 162,536.95 is: 243,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,289.15 : 622,985.59 = 162,536.95 : x
  2. Step 2: Convert to fraction form
    415,289.15/622,985.59 = 162,536.95/x
  3. Step 3: Cross multiply
    415,289.15x = 622,985.59 × 162,536.95
  4. Step 4: Simplify right side
    415,289.15x = 101,258,177,692.55
  5. Step 5: Solve for x
    x = 101,258,177,692.55/415,289.15
  6. Step 6: Final answer
    x = 243,825.72

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