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Finding the Fourth Proportional to 605,055.20, 907,485.60 and 184,233.20

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Solution

The fourth proportional to 605,055.20, 907,485.60 and 184,233.20 is: 276,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,055.20 : 907,485.60 = 184,233.20 : x
  2. Step 2: Convert to fraction form
    605,055.20/907,485.60 = 184,233.20/x
  3. Step 3: Cross multiply
    605,055.20x = 907,485.60 × 184,233.20
  4. Step 4: Simplify right side
    605,055.20x = 167,188,976,041.92
  5. Step 5: Solve for x
    x = 167,188,976,041.92/605,055.20
  6. Step 6: Final answer
    x = 276,320.20

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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.