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Finding the Fourth Proportional to 325,770.56, 488,662.32 and 214,162.64

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Solution

The fourth proportional to 325,770.56, 488,662.32 and 214,162.64 is: 321,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,770.56 : 488,662.32 = 214,162.64 : x
  2. Step 2: Convert to fraction form
    325,770.56/488,662.32 = 214,162.64/x
  3. Step 3: Cross multiply
    325,770.56x = 488,662.32 × 214,162.64
  4. Step 4: Simplify right side
    325,770.56x = 104,653,212,519.73
  5. Step 5: Solve for x
    x = 104,653,212,519.73/325,770.56
  6. Step 6: Final answer
    x = 321,248.22

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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.