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Finding the Fourth Proportional to 366,958.95, 550,438.43 and 254,984.55

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Solution

The fourth proportional to 366,958.95, 550,438.43 and 254,984.55 is: 382,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958.95 : 550,438.43 = 254,984.55 : x
  2. Step 2: Convert to fraction form
    366,958.95/550,438.43 = 254,984.55/x
  3. Step 3: Cross multiply
    366,958.95x = 550,438.43 × 254,984.55
  4. Step 4: Simplify right side
    366,958.95x = 140,353,294,101.33
  5. Step 5: Solve for x
    x = 140,353,294,101.33/366,958.95
  6. Step 6: Final answer
    x = 382,476.83

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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.