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Finding the Fourth Proportional to 526,413.40, 789,675.41 and 171,455.06

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Solution

The fourth proportional to 526,413.40, 789,675.41 and 171,455.06 is: 257,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,413.40 : 789,675.41 = 171,455.06 : x
  2. Step 2: Convert to fraction form
    526,413.40/789,675.41 = 171,455.06/x
  3. Step 3: Cross multiply
    526,413.40x = 789,675.41 × 171,455.06
  4. Step 4: Simplify right side
    526,413.40x = 135,393,847,204.90
  5. Step 5: Solve for x
    x = 135,393,847,204.90/526,413.40
  6. Step 6: Final answer
    x = 257,200.61

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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.