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Finding the Fourth Proportional to 481,294.73, 664,223.61 and 274,567.67

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Solution

The fourth proportional to 481,294.73, 664,223.61 and 274,567.67 is: 378,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,294.73 : 664,223.61 = 274,567.67 : x
  2. Step 2: Convert to fraction form
    481,294.73/664,223.61 = 274,567.67/x
  3. Step 3: Cross multiply
    481,294.73x = 664,223.61 × 274,567.67
  4. Step 4: Simplify right side
    481,294.73x = 182,374,328,956.69
  5. Step 5: Solve for x
    x = 182,374,328,956.69/481,294.73
  6. Step 6: Final answer
    x = 378,924.43

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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.