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Finding the Fourth Proportional to 481,604.00, 722,348.48 and 126,645.66

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Solution

The fourth proportional to 481,604.00, 722,348.48 and 126,645.66 is: 189,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,604.00 : 722,348.48 = 126,645.66 : x
  2. Step 2: Convert to fraction form
    481,604.00/722,348.48 = 126,645.66/x
  3. Step 3: Cross multiply
    481,604.00x = 722,348.48 × 126,645.66
  4. Step 4: Simplify right side
    481,604.00x = 91,482,300,316.21
  5. Step 5: Solve for x
    x = 91,482,300,316.21/481,604.00
  6. Step 6: Final answer
    x = 189,953.37

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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.