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Finding the Fourth Proportional to 325,698.76, 449,211.54 and 218,234.44

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Solution

The fourth proportional to 325,698.76, 449,211.54 and 218,234.44 is: 300,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,698.76 : 449,211.54 = 218,234.44 : x
  2. Step 2: Convert to fraction form
    325,698.76/449,211.54 = 218,234.44/x
  3. Step 3: Cross multiply
    325,698.76x = 449,211.54 × 218,234.44
  4. Step 4: Simplify right side
    325,698.76x = 98,033,428,873.44
  5. Step 5: Solve for x
    x = 98,033,428,873.44/325,698.76
  6. Step 6: Final answer
    x = 300,994.17

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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.