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Finding the Fourth Proportional to 328,170.56, 452,916.61 and 192,256.37

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Solution

The fourth proportional to 328,170.56, 452,916.61 and 192,256.37 is: 265,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,170.56 : 452,916.61 = 192,256.37 : x
  2. Step 2: Convert to fraction form
    328,170.56/452,916.61 = 192,256.37/x
  3. Step 3: Cross multiply
    328,170.56x = 452,916.61 × 192,256.37
  4. Step 4: Simplify right side
    328,170.56x = 87,076,102,304.52
  5. Step 5: Solve for x
    x = 87,076,102,304.52/328,170.56
  6. Step 6: Final answer
    x = 265,337.95

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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.