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Finding the Fourth Proportional to 366,942.60, 550,413.90 and 283,896.20

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Solution

The fourth proportional to 366,942.60, 550,413.90 and 283,896.20 is: 425,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.60 : 550,413.90 = 283,896.20 : x
  2. Step 2: Convert to fraction form
    366,942.60/550,413.90 = 283,896.20/x
  3. Step 3: Cross multiply
    366,942.60x = 550,413.90 × 283,896.20
  4. Step 4: Simplify right side
    366,942.60x = 156,260,414,637.18
  5. Step 5: Solve for x
    x = 156,260,414,637.18/366,942.60
  6. Step 6: Final answer
    x = 425,844.30

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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.