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Finding the Fourth Proportional to 481,897.00, 665,021.76 and 267,040.65

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Solution

The fourth proportional to 481,897.00, 665,021.76 and 267,040.65 is: 368,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,897.00 : 665,021.76 = 267,040.65 : x
  2. Step 2: Convert to fraction form
    481,897.00/665,021.76 = 267,040.65/x
  3. Step 3: Cross multiply
    481,897.00x = 665,021.76 × 267,040.65
  4. Step 4: Simplify right side
    481,897.00x = 177,587,843,054.54
  5. Step 5: Solve for x
    x = 177,587,843,054.54/481,897.00
  6. Step 6: Final answer
    x = 368,518.26

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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.