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Finding the Fourth Proportional to 322,338.70, 483,507.96 and 100,722.70

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Solution

The fourth proportional to 322,338.70, 483,507.96 and 100,722.70 is: 151,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,338.70 : 483,507.96 = 100,722.70 : x
  2. Step 2: Convert to fraction form
    322,338.70/483,507.96 = 100,722.70/x
  3. Step 3: Cross multiply
    322,338.70x = 483,507.96 × 100,722.70
  4. Step 4: Simplify right side
    322,338.70x = 48,700,227,202.69
  5. Step 5: Solve for x
    x = 48,700,227,202.69/322,338.70
  6. Step 6: Final answer
    x = 151,084.02

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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.