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Finding the Fourth Proportional to 217,413.70, 303,757.10 and 217,413.70

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Solution

The fourth proportional to 217,413.70, 303,757.10 and 217,413.70 is: 303,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.70 : 303,757.10 = 217,413.70 : x
  2. Step 2: Convert to fraction form
    217,413.70/303,757.10 = 217,413.70/x
  3. Step 3: Cross multiply
    217,413.70x = 303,757.10 × 217,413.70
  4. Step 4: Simplify right side
    217,413.70x = 66,040,955,012.27
  5. Step 5: Solve for x
    x = 66,040,955,012.27/217,413.70
  6. Step 6: Final answer
    x = 303,757.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.