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Finding the Fourth Proportional to 321,902.44, 444,220.26 and 178,662.76

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Solution

The fourth proportional to 321,902.44, 444,220.26 and 178,662.76 is: 246,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,902.44 : 444,220.26 = 178,662.76 : x
  2. Step 2: Convert to fraction form
    321,902.44/444,220.26 = 178,662.76/x
  3. Step 3: Cross multiply
    321,902.44x = 444,220.26 × 178,662.76
  4. Step 4: Simplify right side
    321,902.44x = 79,365,617,699.52
  5. Step 5: Solve for x
    x = 79,365,617,699.52/321,902.44
  6. Step 6: Final answer
    x = 246,551.77

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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.