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Finding the Fourth Proportional to 481,486.27, 722,227.66 and 144,525.46

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Solution

The fourth proportional to 481,486.27, 722,227.66 and 144,525.46 is: 216,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,486.27 : 722,227.66 = 144,525.46 : x
  2. Step 2: Convert to fraction form
    481,486.27/722,227.66 = 144,525.46/x
  3. Step 3: Cross multiply
    481,486.27x = 722,227.66 × 144,525.46
  4. Step 4: Simplify right side
    481,486.27x = 104,380,284,786.22
  5. Step 5: Solve for x
    x = 104,380,284,786.22/481,486.27
  6. Step 6: Final answer
    x = 216,787.67

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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.