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Finding the Fourth Proportional to 219,028.44, 328,845.21 and 151,393.86

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Solution

The fourth proportional to 219,028.44, 328,845.21 and 151,393.86 is: 227,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,028.44 : 328,845.21 = 151,393.86 : x
  2. Step 2: Convert to fraction form
    219,028.44/328,845.21 = 151,393.86/x
  3. Step 3: Cross multiply
    219,028.44x = 328,845.21 × 151,393.86
  4. Step 4: Simplify right side
    219,028.44x = 49,785,145,684.41
  5. Step 5: Solve for x
    x = 49,785,145,684.41/219,028.44
  6. Step 6: Final answer
    x = 227,299.91

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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.