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Finding the Fourth Proportional to 328,174, 452,880.36 and 177,271

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Solution

The fourth proportional to 328,174, 452,880.36 and 177,271 is: 244,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,174 : 452,880.36 = 177,271 : x
  2. Step 2: Convert to fraction form
    328,174/452,880.36 = 177,271/x
  3. Step 3: Cross multiply
    328,174x = 452,880.36 × 177,271
  4. Step 4: Simplify right side
    328,174x = 80,282,554,297.56
  5. Step 5: Solve for x
    x = 80,282,554,297.56/328,174
  6. Step 6: Final answer
    x = 244,634.11

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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.