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Finding the Fourth Proportional to 416,485.44, 624,728.16 and 100,942.36

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Solution

The fourth proportional to 416,485.44, 624,728.16 and 100,942.36 is: 151,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,485.44 : 624,728.16 = 100,942.36 : x
  2. Step 2: Convert to fraction form
    416,485.44/624,728.16 = 100,942.36/x
  3. Step 3: Cross multiply
    416,485.44x = 624,728.16 × 100,942.36
  4. Step 4: Simplify right side
    416,485.44x = 63,061,534,828.86
  5. Step 5: Solve for x
    x = 63,061,534,828.86/416,485.44
  6. Step 6: Final answer
    x = 151,413.54

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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.