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Finding the Fourth Proportional to 490,040,413.60, 735,060,620.40 and 490,040,413.60

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Solution

The fourth proportional to 490,040,413.60, 735,060,620.40 and 490,040,413.60 is: 735,060,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,040,413.60 : 735,060,620.40 = 490,040,413.60 : x
  2. Step 2: Convert to fraction form
    490,040,413.60/735,060,620.40 = 490,040,413.60/x
  3. Step 3: Cross multiply
    490,040,413.60x = 735,060,620.40 × 490,040,413.60
  4. Step 4: Simplify right side
    490,040,413.60x = 360,209,410,441,888,576
  5. Step 5: Solve for x
    x = 360,209,410,441,888,576/490,040,413.60
  6. Step 6: Final answer
    x = 735,060,620.40

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1.5x scale

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.