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Finding the Fourth Proportional to 373,667.70, 515,483.80 and 220,603.35

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Solution

The fourth proportional to 373,667.70, 515,483.80 and 220,603.35 is: 304,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,667.70 : 515,483.80 = 220,603.35 : x
  2. Step 2: Convert to fraction form
    373,667.70/515,483.80 = 220,603.35/x
  3. Step 3: Cross multiply
    373,667.70x = 515,483.80 × 220,603.35
  4. Step 4: Simplify right side
    373,667.70x = 113,717,453,150.73
  5. Step 5: Solve for x
    x = 113,717,453,150.73/373,667.70
  6. Step 6: Final answer
    x = 304,327.76

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