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Finding the Fourth Proportional to 328,321.44, 492,496.90 and 100,600.34

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Solution

The fourth proportional to 328,321.44, 492,496.90 and 100,600.34 is: 150,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,321.44 : 492,496.90 = 100,600.34 : x
  2. Step 2: Convert to fraction form
    328,321.44/492,496.90 = 100,600.34/x
  3. Step 3: Cross multiply
    328,321.44x = 492,496.90 × 100,600.34
  4. Step 4: Simplify right side
    328,321.44x = 49,545,355,588.95
  5. Step 5: Solve for x
    x = 49,545,355,588.95/328,321.44
  6. Step 6: Final answer
    x = 150,905.03

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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.