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Finding the Fourth Proportional to 219,027.44, 328,843.72 and 151,392.86

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Solution

The fourth proportional to 219,027.44, 328,843.72 and 151,392.86 is: 227,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.44 : 328,843.72 = 151,392.86 : x
  2. Step 2: Convert to fraction form
    219,027.44/328,843.72 = 151,392.86/x
  3. Step 3: Cross multiply
    219,027.44x = 328,843.72 × 151,392.86
  4. Step 4: Simplify right side
    219,027.44x = 49,784,591,263.84
  5. Step 5: Solve for x
    x = 49,784,591,263.84/219,027.44
  6. Step 6: Final answer
    x = 227,298.42

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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.