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Finding the Fourth Proportional to 328,331.07, 453,096.88 and 177,428.07

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Solution

The fourth proportional to 328,331.07, 453,096.88 and 177,428.07 is: 244,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,331.07 : 453,096.88 = 177,428.07 : x
  2. Step 2: Convert to fraction form
    328,331.07/453,096.88 = 177,428.07/x
  3. Step 3: Cross multiply
    328,331.07x = 453,096.88 × 177,428.07
  4. Step 4: Simplify right side
    328,331.07x = 80,392,104,497.85
  5. Step 5: Solve for x
    x = 80,392,104,497.85/328,331.07
  6. Step 6: Final answer
    x = 244,850.74

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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.