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Finding the Fourth Proportional to 370,667.95, 555,791.02 and 145,906.52

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Solution

The fourth proportional to 370,667.95, 555,791.02 and 145,906.52 is: 218,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,667.95 : 555,791.02 = 145,906.52 : x
  2. Step 2: Convert to fraction form
    370,667.95/555,791.02 = 145,906.52/x
  3. Step 3: Cross multiply
    370,667.95x = 555,791.02 × 145,906.52
  4. Step 4: Simplify right side
    370,667.95x = 81,093,530,431.73
  5. Step 5: Solve for x
    x = 81,093,530,431.73/370,667.95
  6. Step 6: Final answer
    x = 218,776.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.