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Finding the Fourth Proportional to 526,413.24, 789,930.90 and 194,222.52

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Solution

The fourth proportional to 526,413.24, 789,930.90 and 194,222.52 is: 291,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,413.24 : 789,930.90 = 194,222.52 : x
  2. Step 2: Convert to fraction form
    526,413.24/789,930.90 = 194,222.52/x
  3. Step 3: Cross multiply
    526,413.24x = 789,930.90 × 194,222.52
  4. Step 4: Simplify right side
    526,413.24x = 153,422,370,023.87
  5. Step 5: Solve for x
    x = 153,422,370,023.87/526,413.24
  6. Step 6: Final answer
    x = 291,448.54

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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.