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Finding the Fourth Proportional to 448,413.30, 618,791.49 and 244,459.86

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Solution

The fourth proportional to 448,413.30, 618,791.49 and 244,459.86 is: 337,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,413.30 : 618,791.49 = 244,459.86 : x
  2. Step 2: Convert to fraction form
    448,413.30/618,791.49 = 244,459.86/x
  3. Step 3: Cross multiply
    448,413.30x = 618,791.49 × 244,459.86
  4. Step 4: Simplify right side
    448,413.30x = 151,269,681,014.59
  5. Step 5: Solve for x
    x = 151,269,681,014.59/448,413.30
  6. Step 6: Final answer
    x = 337,344.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.