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Finding the Fourth Proportional to 328,282.56, 453,029.22 and 177,379.56

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Solution

The fourth proportional to 328,282.56, 453,029.22 and 177,379.56 is: 244,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,282.56 : 453,029.22 = 177,379.56 : x
  2. Step 2: Convert to fraction form
    328,282.56/453,029.22 = 177,379.56/x
  3. Step 3: Cross multiply
    328,282.56x = 453,029.22 × 177,379.56
  4. Step 4: Simplify right side
    328,282.56x = 80,358,123,710.74
  5. Step 5: Solve for x
    x = 80,358,123,710.74/328,282.56
  6. Step 6: Final answer
    x = 244,783.41

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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.