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Finding the Fourth Proportional to 481,684.39, 722,563.94 and 144,698.67

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Solution

The fourth proportional to 481,684.39, 722,563.94 and 144,698.67 is: 217,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,684.39 : 722,563.94 = 144,698.67 : x
  2. Step 2: Convert to fraction form
    481,684.39/722,563.94 = 144,698.67/x
  3. Step 3: Cross multiply
    481,684.39x = 722,563.94 × 144,698.67
  4. Step 4: Simplify right side
    481,684.39x = 104,554,041,469.71
  5. Step 5: Solve for x
    x = 104,554,041,469.71/481,684.39
  6. Step 6: Final answer
    x = 217,059.23

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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.