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Finding the Fourth Proportional to 962,993.80, 1,443,108.30 and 708,286.60

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Solution

The fourth proportional to 962,993.80, 1,443,108.30 and 708,286.60 is: 1,061,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,993.80 : 1,443,108.30 = 708,286.60 : x
  2. Step 2: Convert to fraction form
    962,993.80/1,443,108.30 = 708,286.60/x
  3. Step 3: Cross multiply
    962,993.80x = 1,443,108.30 × 708,286.60
  4. Step 4: Simplify right side
    962,993.80x = 1,022,134,271,238.78
  5. Step 5: Solve for x
    x = 1,022,134,271,238.78/962,993.80
  6. Step 6: Final answer
    x = 1,061,413.14

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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.