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Finding the Fourth Proportional to 275,291.84, 379,500.56 and 194,576.96

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Solution

The fourth proportional to 275,291.84, 379,500.56 and 194,576.96 is: 268,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,291.84 : 379,500.56 = 194,576.96 : x
  2. Step 2: Convert to fraction form
    275,291.84/379,500.56 = 194,576.96/x
  3. Step 3: Cross multiply
    275,291.84x = 379,500.56 × 194,576.96
  4. Step 4: Simplify right side
    275,291.84x = 73,842,065,283.10
  5. Step 5: Solve for x
    x = 73,842,065,283.10/275,291.84
  6. Step 6: Final answer
    x = 268,231.94

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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.