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Finding the Fourth Proportional to 481,647.47, 664,673.56 and 266,801.45

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Solution

The fourth proportional to 481,647.47, 664,673.56 and 266,801.45 is: 368,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,647.47 : 664,673.56 = 266,801.45 : x
  2. Step 2: Convert to fraction form
    481,647.47/664,673.56 = 266,801.45/x
  3. Step 3: Cross multiply
    481,647.47x = 664,673.56 × 266,801.45
  4. Step 4: Simplify right side
    481,647.47x = 177,335,868,086.82
  5. Step 5: Solve for x
    x = 177,335,868,086.82/481,647.47
  6. Step 6: Final answer
    x = 368,186.03

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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.