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Finding the Fourth Proportional to 800,485.92, 1,104,730.44 and 456,330

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Solution

The fourth proportional to 800,485.92, 1,104,730.44 and 456,330 is: 629,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,485.92 : 1,104,730.44 = 456,330 : x
  2. Step 2: Convert to fraction form
    800,485.92/1,104,730.44 = 456,330/x
  3. Step 3: Cross multiply
    800,485.92x = 1,104,730.44 × 456,330
  4. Step 4: Simplify right side
    800,485.92x = 504,121,641,685.20
  5. Step 5: Solve for x
    x = 504,121,641,685.20/800,485.92
  6. Step 6: Final answer
    x = 629,769.53

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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.