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Finding the Fourth Proportional to 447,250.86, 670,879.92 and 163,144.98

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Solution

The fourth proportional to 447,250.86, 670,879.92 and 163,144.98 is: 244,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,250.86 : 670,879.92 = 163,144.98 : x
  2. Step 2: Convert to fraction form
    447,250.86/670,879.92 = 163,144.98/x
  3. Step 3: Cross multiply
    447,250.86x = 670,879.92 × 163,144.98
  4. Step 4: Simplify right side
    447,250.86x = 109,450,691,130.80
  5. Step 5: Solve for x
    x = 109,450,691,130.80/447,250.86
  6. Step 6: Final answer
    x = 244,718.79

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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.