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Finding the Fourth Proportional to 328,219.29, 453,093.95 and 192,234.47

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Solution

The fourth proportional to 328,219.29, 453,093.95 and 192,234.47 is: 265,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,219.29 : 453,093.95 = 192,234.47 : x
  2. Step 2: Convert to fraction form
    328,219.29/453,093.95 = 192,234.47/x
  3. Step 3: Cross multiply
    328,219.29x = 453,093.95 × 192,234.47
  4. Step 4: Simplify right side
    328,219.29x = 87,100,273,553.57
  5. Step 5: Solve for x
    x = 87,100,273,553.57/328,219.29
  6. Step 6: Final answer
    x = 265,372.20

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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.