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Finding the Fourth Proportional to 245,499.20, 367,471.20 and 192,622.40

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Solution

The fourth proportional to 245,499.20, 367,471.20 and 192,622.40 is: 288,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,499.20 : 367,471.20 = 192,622.40 : x
  2. Step 2: Convert to fraction form
    245,499.20/367,471.20 = 192,622.40/x
  3. Step 3: Cross multiply
    245,499.20x = 367,471.20 × 192,622.40
  4. Step 4: Simplify right side
    245,499.20x = 70,783,184,474.88
  5. Step 5: Solve for x
    x = 70,783,184,474.88/245,499.20
  6. Step 6: Final answer
    x = 288,323.48

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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.