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Finding the Fourth Proportional to 481,246.56, 664,098.72 and 266,371.44

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Solution

The fourth proportional to 481,246.56, 664,098.72 and 266,371.44 is: 367,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,246.56 : 664,098.72 = 266,371.44 : x
  2. Step 2: Convert to fraction form
    481,246.56/664,098.72 = 266,371.44/x
  3. Step 3: Cross multiply
    481,246.56x = 664,098.72 × 266,371.44
  4. Step 4: Simplify right side
    481,246.56x = 176,896,932,348.56
  5. Step 5: Solve for x
    x = 176,896,932,348.56/481,246.56
  6. Step 6: Final answer
    x = 367,580.67

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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.