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Finding the Fourth Proportional to 443,533.63, 612,076.63 and 239,584.54

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Solution

The fourth proportional to 443,533.63, 612,076.63 and 239,584.54 is: 330,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,533.63 : 612,076.63 = 239,584.54 : x
  2. Step 2: Convert to fraction form
    443,533.63/612,076.63 = 239,584.54/x
  3. Step 3: Cross multiply
    443,533.63x = 612,076.63 × 239,584.54
  4. Step 4: Simplify right side
    443,533.63x = 146,644,097,843.30
  5. Step 5: Solve for x
    x = 146,644,097,843.30/443,533.63
  6. Step 6: Final answer
    x = 330,626.78

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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.