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Finding the Fourth Proportional to 416,485.71, 624,728.59 and 100,942.62

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Solution

The fourth proportional to 416,485.71, 624,728.59 and 100,942.62 is: 151,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,485.71 : 624,728.59 = 100,942.62 : x
  2. Step 2: Convert to fraction form
    416,485.71/624,728.59 = 100,942.62/x
  3. Step 3: Cross multiply
    416,485.71x = 624,728.59 × 100,942.62
  4. Step 4: Simplify right side
    416,485.71x = 63,061,737,539.86
  5. Step 5: Solve for x
    x = 63,061,737,539.86/416,485.71
  6. Step 6: Final answer
    x = 151,413.93

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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.