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Finding the Fourth Proportional to 311,222.81, 466,085.82 and 177,698.36

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Solution

The fourth proportional to 311,222.81, 466,085.82 and 177,698.36 is: 266,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,222.81 : 466,085.82 = 177,698.36 : x
  2. Step 2: Convert to fraction form
    311,222.81/466,085.82 = 177,698.36/x
  3. Step 3: Cross multiply
    311,222.81x = 466,085.82 × 177,698.36
  4. Step 4: Simplify right side
    311,222.81x = 82,822,682,614.33
  5. Step 5: Solve for x
    x = 82,822,682,614.33/311,222.81
  6. Step 6: Final answer
    x = 266,120.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.