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Finding the Fourth Proportional to 328,399.87, 453,192.60 and 177,496.87

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Solution

The fourth proportional to 328,399.87, 453,192.60 and 177,496.87 is: 244,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,399.87 : 453,192.60 = 177,496.87 : x
  2. Step 2: Convert to fraction form
    328,399.87/453,192.60 = 177,496.87/x
  3. Step 3: Cross multiply
    328,399.87x = 453,192.60 × 177,496.87
  4. Step 4: Simplify right side
    328,399.87x = 80,440,267,119.68
  5. Step 5: Solve for x
    x = 80,440,267,119.68/328,399.87
  6. Step 6: Final answer
    x = 244,946.10

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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.