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Finding the Fourth Proportional to 526,393.73, 789,413.79 and 171,324.25

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Solution

The fourth proportional to 526,393.73, 789,413.79 and 171,324.25 is: 256,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,393.73 : 789,413.79 = 171,324.25 : x
  2. Step 2: Convert to fraction form
    526,393.73/789,413.79 = 171,324.25/x
  3. Step 3: Cross multiply
    526,393.73x = 789,413.79 × 171,324.25
  4. Step 4: Simplify right side
    526,393.73x = 135,245,721,564.34
  5. Step 5: Solve for x
    x = 135,245,721,564.34/526,393.73
  6. Step 6: Final answer
    x = 256,928.82

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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.