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Finding the Fourth Proportional to 486,008.25, 670,710.83 and 271,167.09

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Solution

The fourth proportional to 486,008.25, 670,710.83 and 271,167.09 is: 374,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,008.25 : 670,710.83 = 271,167.09 : x
  2. Step 2: Convert to fraction form
    486,008.25/670,710.83 = 271,167.09/x
  3. Step 3: Cross multiply
    486,008.25x = 670,710.83 × 271,167.09
  4. Step 4: Simplify right side
    486,008.25x = 181,874,702,646.75
  5. Step 5: Solve for x
    x = 181,874,702,646.75/486,008.25
  6. Step 6: Final answer
    x = 374,221.43

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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.