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Finding the Fourth Proportional to 322,219.60, 483,329.40 and 189,163.60

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Solution

The fourth proportional to 322,219.60, 483,329.40 and 189,163.60 is: 283,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,219.60 : 483,329.40 = 189,163.60 : x
  2. Step 2: Convert to fraction form
    322,219.60/483,329.40 = 189,163.60/x
  3. Step 3: Cross multiply
    322,219.60x = 483,329.40 × 189,163.60
  4. Step 4: Simplify right side
    322,219.60x = 91,428,329,289.84
  5. Step 5: Solve for x
    x = 91,428,329,289.84/322,219.60
  6. Step 6: Final answer
    x = 283,745.40

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1.5x scale

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.