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Finding the Fourth Proportional to 573,085,174.80, 859,627,762.20 and 245,504,942.40

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Solution

The fourth proportional to 573,085,174.80, 859,627,762.20 and 245,504,942.40 is: 368,257,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,085,174.80 : 859,627,762.20 = 245,504,942.40 : x
  2. Step 2: Convert to fraction form
    573,085,174.80/859,627,762.20 = 245,504,942.40/x
  3. Step 3: Cross multiply
    573,085,174.80x = 859,627,762.20 × 245,504,942.40
  4. Step 4: Simplify right side
    573,085,174.80x = 211,042,864,244,351,904
  5. Step 5: Solve for x
    x = 211,042,864,244,351,904/573,085,174.80
  6. Step 6: Final answer
    x = 368,257,413.60

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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.