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Finding the Fourth Proportional to 481,910, 665,050.38 and 267,029.96

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Solution

The fourth proportional to 481,910, 665,050.38 and 267,029.96 is: 368,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,910 : 665,050.38 = 267,029.96 : x
  2. Step 2: Convert to fraction form
    481,910/665,050.38 = 267,029.96/x
  3. Step 3: Cross multiply
    481,910x = 665,050.38 × 267,029.96
  4. Step 4: Simplify right side
    481,910x = 177,588,376,369.39
  5. Step 5: Solve for x
    x = 177,588,376,369.39/481,910
  6. Step 6: Final answer
    x = 368,509.42

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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.