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Finding the Fourth Proportional to 448,702.56, 673,546.32 and 223,999.92

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Solution

The fourth proportional to 448,702.56, 673,546.32 and 223,999.92 is: 336,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,702.56 : 673,546.32 = 223,999.92 : x
  2. Step 2: Convert to fraction form
    448,702.56/673,546.32 = 223,999.92/x
  3. Step 3: Cross multiply
    448,702.56x = 673,546.32 × 223,999.92
  4. Step 4: Simplify right side
    448,702.56x = 150,874,321,796.29
  5. Step 5: Solve for x
    x = 150,874,321,796.29/448,702.56
  6. Step 6: Final answer
    x = 336,245.73

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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.