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Finding the Fourth Proportional to 624,728.54, 937,092.80 and 151,413.91

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Solution

The fourth proportional to 624,728.54, 937,092.80 and 151,413.91 is: 227,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,728.54 : 937,092.80 = 151,413.91 : x
  2. Step 2: Convert to fraction form
    624,728.54/937,092.80 = 151,413.91/x
  3. Step 3: Cross multiply
    624,728.54x = 937,092.80 × 151,413.91
  4. Step 4: Simplify right side
    624,728.54x = 141,888,882,916.65
  5. Step 5: Solve for x
    x = 141,888,882,916.65/624,728.54
  6. Step 6: Final answer
    x = 227,120.86

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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.