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Finding the Fourth Proportional to 658,413.57, 987,548.57 and 446,542.48

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Solution

The fourth proportional to 658,413.57, 987,548.57 and 446,542.48 is: 669,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,413.57 : 987,548.57 = 446,542.48 : x
  2. Step 2: Convert to fraction form
    658,413.57/987,548.57 = 446,542.48/x
  3. Step 3: Cross multiply
    658,413.57x = 987,548.57 × 446,542.48
  4. Step 4: Simplify right side
    658,413.57x = 440,982,387,568.25
  5. Step 5: Solve for x
    x = 440,982,387,568.25/658,413.57
  6. Step 6: Final answer
    x = 669,765.03

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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.