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Finding the Fourth Proportional to 366,942.30, 550,413.45 and 240,643.05

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Solution

The fourth proportional to 366,942.30, 550,413.45 and 240,643.05 is: 360,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.30 : 550,413.45 = 240,643.05 : x
  2. Step 2: Convert to fraction form
    366,942.30/550,413.45 = 240,643.05/x
  3. Step 3: Cross multiply
    366,942.30x = 550,413.45 × 240,643.05
  4. Step 4: Simplify right side
    366,942.30x = 132,453,171,369.02
  5. Step 5: Solve for x
    x = 132,453,171,369.02/366,942.30
  6. Step 6: Final answer
    x = 360,964.58

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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.