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Finding the Fourth Proportional to 324,624.01, 447,978.69 and 179,439.33

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Solution

The fourth proportional to 324,624.01, 447,978.69 and 179,439.33 is: 247,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,624.01 : 447,978.69 = 179,439.33 : x
  2. Step 2: Convert to fraction form
    324,624.01/447,978.69 = 179,439.33/x
  3. Step 3: Cross multiply
    324,624.01x = 447,978.69 × 179,439.33
  4. Step 4: Simplify right side
    324,624.01x = 80,384,995,987.88
  5. Step 5: Solve for x
    x = 80,384,995,987.88/324,624.01
  6. Step 6: Final answer
    x = 247,624.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.