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Finding the Fourth Proportional to 373,076.37, 514,912.55 and 220,105.74

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Solution

The fourth proportional to 373,076.37, 514,912.55 and 220,105.74 is: 303,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,076.37 : 514,912.55 = 220,105.74 : x
  2. Step 2: Convert to fraction form
    373,076.37/514,912.55 = 220,105.74/x
  3. Step 3: Cross multiply
    373,076.37x = 514,912.55 × 220,105.74
  4. Step 4: Simplify right side
    373,076.37x = 113,335,206,752.51
  5. Step 5: Solve for x
    x = 113,335,206,752.51/373,076.37
  6. Step 6: Final answer
    x = 303,785.54

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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.