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Finding the Fourth Proportional to 483,903, 667,786.14 and 271,935

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Solution

The fourth proportional to 483,903, 667,786.14 and 271,935 is: 375,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,903 : 667,786.14 = 271,935 : x
  2. Step 2: Convert to fraction form
    483,903/667,786.14 = 271,935/x
  3. Step 3: Cross multiply
    483,903x = 667,786.14 × 271,935
  4. Step 4: Simplify right side
    483,903x = 181,594,423,980.90
  5. Step 5: Solve for x
    x = 181,594,423,980.90/483,903
  6. Step 6: Final answer
    x = 375,270.30

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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.