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Finding the Fourth Proportional to 605,413.56, 908,086.50 and 184,656.36

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Solution

The fourth proportional to 605,413.56, 908,086.50 and 184,656.36 is: 276,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,413.56 : 908,086.50 = 184,656.36 : x
  2. Step 2: Convert to fraction form
    605,413.56/908,086.50 = 184,656.36/x
  3. Step 3: Cross multiply
    605,413.56x = 908,086.50 × 184,656.36
  4. Step 4: Simplify right side
    605,413.56x = 167,683,947,655.14
  5. Step 5: Solve for x
    x = 167,683,947,655.14/605,413.56
  6. Step 6: Final answer
    x = 276,974.22

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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.