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Finding the Fourth Proportional to 328,396.52, 453,187 and 177,493.52

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Solution

The fourth proportional to 328,396.52, 453,187 and 177,493.52 is: 244,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,396.52 : 453,187 = 177,493.52 : x
  2. Step 2: Convert to fraction form
    328,396.52/453,187 = 177,493.52/x
  3. Step 3: Cross multiply
    328,396.52x = 453,187 × 177,493.52
  4. Step 4: Simplify right side
    328,396.52x = 80,437,755,848.24
  5. Step 5: Solve for x
    x = 80,437,755,848.24/328,396.52
  6. Step 6: Final answer
    x = 244,940.95

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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.