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Finding the Fourth Proportional to 366,896.51, 550,399.45 and 130,219.37

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Solution

The fourth proportional to 366,896.51, 550,399.45 and 130,219.37 is: 195,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,896.51 : 550,399.45 = 130,219.37 : x
  2. Step 2: Convert to fraction form
    366,896.51/550,399.45 = 130,219.37/x
  3. Step 3: Cross multiply
    366,896.51x = 550,399.45 × 130,219.37
  4. Step 4: Simplify right side
    366,896.51x = 71,672,669,627.35
  5. Step 5: Solve for x
    x = 71,672,669,627.35/366,896.51
  6. Step 6: Final answer
    x = 195,348.46

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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.