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Finding the Fourth Proportional to 446,236.56, 669,212.82 and 146,647.44

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Solution

The fourth proportional to 446,236.56, 669,212.82 and 146,647.44 is: 219,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,236.56 : 669,212.82 = 146,647.44 : x
  2. Step 2: Convert to fraction form
    446,236.56/669,212.82 = 146,647.44/x
  3. Step 3: Cross multiply
    446,236.56x = 669,212.82 × 146,647.44
  4. Step 4: Simplify right side
    446,236.56x = 98,138,346,868.18
  5. Step 5: Solve for x
    x = 98,138,346,868.18/446,236.56
  6. Step 6: Final answer
    x = 219,924.49

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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.