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Finding the Fourth Proportional to 490,232.60, 734,571.30 and 323,826.20

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Solution

The fourth proportional to 490,232.60, 734,571.30 and 323,826.20 is: 485,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,232.60 : 734,571.30 = 323,826.20 : x
  2. Step 2: Convert to fraction form
    490,232.60/734,571.30 = 323,826.20/x
  3. Step 3: Cross multiply
    490,232.60x = 734,571.30 × 323,826.20
  4. Step 4: Simplify right side
    490,232.60x = 237,873,432,708.06
  5. Step 5: Solve for x
    x = 237,873,432,708.06/490,232.60
  6. Step 6: Final answer
    x = 485,225.65

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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.