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Finding the Fourth Proportional to 322,624.20, 483,936.30 and 125,632.20

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Solution

The fourth proportional to 322,624.20, 483,936.30 and 125,632.20 is: 188,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,624.20 : 483,936.30 = 125,632.20 : x
  2. Step 2: Convert to fraction form
    322,624.20/483,936.30 = 125,632.20/x
  3. Step 3: Cross multiply
    322,624.20x = 483,936.30 × 125,632.20
  4. Step 4: Simplify right side
    322,624.20x = 60,797,982,028.86
  5. Step 5: Solve for x
    x = 60,797,982,028.86/322,624.20
  6. Step 6: Final answer
    x = 188,448.30

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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.