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Finding the Fourth Proportional to 369,413.56, 554,120.42 and 88,930.80

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Solution

The fourth proportional to 369,413.56, 554,120.42 and 88,930.80 is: 133,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,413.56 : 554,120.42 = 88,930.80 : x
  2. Step 2: Convert to fraction form
    369,413.56/554,120.42 = 88,930.80/x
  3. Step 3: Cross multiply
    369,413.56x = 554,120.42 × 88,930.80
  4. Step 4: Simplify right side
    369,413.56x = 49,278,372,246.94
  5. Step 5: Solve for x
    x = 49,278,372,246.94/369,413.56
  6. Step 6: Final answer
    x = 133,396.22

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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.