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Finding the Fourth Proportional to 366,960.95, 550,441.43 and 254,986.55

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Solution

The fourth proportional to 366,960.95, 550,441.43 and 254,986.55 is: 382,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.95 : 550,441.43 = 254,986.55 : x
  2. Step 2: Convert to fraction form
    366,960.95/550,441.43 = 254,986.55/x
  3. Step 3: Cross multiply
    366,960.95x = 550,441.43 × 254,986.55
  4. Step 4: Simplify right side
    366,960.95x = 140,355,161,212.77
  5. Step 5: Solve for x
    x = 140,355,161,212.77/366,960.95
  6. Step 6: Final answer
    x = 382,479.83

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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.