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Finding the Fourth Proportional to 481,585.19, 664,548.13 and 274,852.56

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Solution

The fourth proportional to 481,585.19, 664,548.13 and 274,852.56 is: 379,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,585.19 : 664,548.13 = 274,852.56 : x
  2. Step 2: Convert to fraction form
    481,585.19/664,548.13 = 274,852.56/x
  3. Step 3: Cross multiply
    481,585.19x = 664,548.13 × 274,852.56
  4. Step 4: Simplify right side
    481,585.19x = 182,652,754,086.58
  5. Step 5: Solve for x
    x = 182,652,754,086.58/481,585.19
  6. Step 6: Final answer
    x = 379,274.03

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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.