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Finding the Fourth Proportional to 324,042.88, 447,183.12 and 188,108.32

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Solution

The fourth proportional to 324,042.88, 447,183.12 and 188,108.32 is: 259,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,042.88 : 447,183.12 = 188,108.32 : x
  2. Step 2: Convert to fraction form
    324,042.88/447,183.12 = 188,108.32/x
  3. Step 3: Cross multiply
    324,042.88x = 447,183.12 × 188,108.32
  4. Step 4: Simplify right side
    324,042.88x = 84,118,865,435.56
  5. Step 5: Solve for x
    x = 84,118,865,435.56/324,042.88
  6. Step 6: Final answer
    x = 259,591.77

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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.