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Finding the Fourth Proportional to 468,576.09, 646,635.41 and 253,716.27

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Solution

The fourth proportional to 468,576.09, 646,635.41 and 253,716.27 is: 350,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,576.09 : 646,635.41 = 253,716.27 : x
  2. Step 2: Convert to fraction form
    468,576.09/646,635.41 = 253,716.27/x
  3. Step 3: Cross multiply
    468,576.09x = 646,635.41 × 253,716.27
  4. Step 4: Simplify right side
    468,576.09x = 164,061,923,006.54
  5. Step 5: Solve for x
    x = 164,061,923,006.54/468,576.09
  6. Step 6: Final answer
    x = 350,128.67

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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.