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Finding the Fourth Proportional to 605,188.40, 907,782.60 and 184,463.60

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Solution

The fourth proportional to 605,188.40, 907,782.60 and 184,463.60 is: 276,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,188.40 : 907,782.60 = 184,463.60 : x
  2. Step 2: Convert to fraction form
    605,188.40/907,782.60 = 184,463.60/x
  3. Step 3: Cross multiply
    605,188.40x = 907,782.60 × 184,463.60
  4. Step 4: Simplify right side
    605,188.40x = 167,452,846,413.36
  5. Step 5: Solve for x
    x = 167,452,846,413.36/605,188.40
  6. Step 6: Final answer
    x = 276,695.40

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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.