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Finding the Fourth Proportional to 272,763.96, 376,413.24 and 151,906.80

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Solution

The fourth proportional to 272,763.96, 376,413.24 and 151,906.80 is: 209,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,763.96 : 376,413.24 = 151,906.80 : x
  2. Step 2: Convert to fraction form
    272,763.96/376,413.24 = 151,906.80/x
  3. Step 3: Cross multiply
    272,763.96x = 376,413.24 × 151,906.80
  4. Step 4: Simplify right side
    272,763.96x = 57,179,730,766.03
  5. Step 5: Solve for x
    x = 57,179,730,766.03/272,763.96
  6. Step 6: Final answer
    x = 209,630.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.