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Finding the Fourth Proportional to 366,913.80, 550,370.70 and 240,942.60

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Solution

The fourth proportional to 366,913.80, 550,370.70 and 240,942.60 is: 361,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913.80 : 550,370.70 = 240,942.60 : x
  2. Step 2: Convert to fraction form
    366,913.80/550,370.70 = 240,942.60/x
  3. Step 3: Cross multiply
    366,913.80x = 550,370.70 × 240,942.60
  4. Step 4: Simplify right side
    366,913.80x = 132,607,747,421.82
  5. Step 5: Solve for x
    x = 132,607,747,421.82/366,913.80
  6. Step 6: Final answer
    x = 361,413.90

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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.