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Finding the Fourth Proportional to 481,984.14, 665,138.10 and 267,156.48

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Solution

The fourth proportional to 481,984.14, 665,138.10 and 267,156.48 is: 368,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,984.14 : 665,138.10 = 267,156.48 : x
  2. Step 2: Convert to fraction form
    481,984.14/665,138.10 = 267,156.48/x
  3. Step 3: Cross multiply
    481,984.14x = 665,138.10 × 267,156.48
  4. Step 4: Simplify right side
    481,984.14x = 177,695,953,509.89
  5. Step 5: Solve for x
    x = 177,695,953,509.89/481,984.14
  6. Step 6: Final answer
    x = 368,675.94

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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.