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Finding the Fourth Proportional to 481,203.88, 664,044.42 and 266,344.36

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Solution

The fourth proportional to 481,203.88, 664,044.42 and 266,344.36 is: 367,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,203.88 : 664,044.42 = 266,344.36 : x
  2. Step 2: Convert to fraction form
    481,203.88/664,044.42 = 266,344.36/x
  3. Step 3: Cross multiply
    481,203.88x = 664,044.42 × 266,344.36
  4. Step 4: Simplify right side
    481,203.88x = 176,864,486,056.47
  5. Step 5: Solve for x
    x = 176,864,486,056.47/481,203.88
  6. Step 6: Final answer
    x = 367,545.84

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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.