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Finding the Fourth Proportional to 322,015.53, 483,105.36 and 144,589.68

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Solution

The fourth proportional to 322,015.53, 483,105.36 and 144,589.68 is: 216,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,015.53 : 483,105.36 = 144,589.68 : x
  2. Step 2: Convert to fraction form
    322,015.53/483,105.36 = 144,589.68/x
  3. Step 3: Cross multiply
    322,015.53x = 483,105.36 × 144,589.68
  4. Step 4: Simplify right side
    322,015.53x = 69,852,049,408.68
  5. Step 5: Solve for x
    x = 69,852,049,408.68/322,015.53
  6. Step 6: Final answer
    x = 216,921.37

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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.