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Finding the Fourth Proportional to 323,173.72, 445,982.80 and 179,936.84

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Solution

The fourth proportional to 323,173.72, 445,982.80 and 179,936.84 is: 248,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,173.72 : 445,982.80 = 179,936.84 : x
  2. Step 2: Convert to fraction form
    323,173.72/445,982.80 = 179,936.84/x
  3. Step 3: Cross multiply
    323,173.72x = 445,982.80 × 179,936.84
  4. Step 4: Simplify right side
    323,173.72x = 80,248,735,726.35
  5. Step 5: Solve for x
    x = 80,248,735,726.35/323,173.72
  6. Step 6: Final answer
    x = 248,314.55

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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.