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Finding the Fourth Proportional to 322,253.15, 483,674.96 and 321,047.56

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Solution

The fourth proportional to 322,253.15, 483,674.96 and 321,047.56 is: 481,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,253.15 : 483,674.96 = 321,047.56 : x
  2. Step 2: Convert to fraction form
    322,253.15/483,674.96 = 321,047.56/x
  3. Step 3: Cross multiply
    322,253.15x = 483,674.96 × 321,047.56
  4. Step 4: Simplify right side
    322,253.15x = 155,282,667,148.31
  5. Step 5: Solve for x
    x = 155,282,667,148.31/322,253.15
  6. Step 6: Final answer
    x = 481,865.48

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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.