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Finding the Fourth Proportional to 449,635.32, 674,558.96 and 146,028.44

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Solution

The fourth proportional to 449,635.32, 674,558.96 and 146,028.44 is: 219,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,635.32 : 674,558.96 = 146,028.44 : x
  2. Step 2: Convert to fraction form
    449,635.32/674,558.96 = 146,028.44/x
  3. Step 3: Cross multiply
    449,635.32x = 674,558.96 × 146,028.44
  4. Step 4: Simplify right side
    449,635.32x = 98,504,793,573.08
  5. Step 5: Solve for x
    x = 98,504,793,573.08/449,635.32
  6. Step 6: Final answer
    x = 219,077.08

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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.