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Finding the Fourth Proportional to 481,305, 662,717.34 and 427,496.52

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Solution

The fourth proportional to 481,305, 662,717.34 and 427,496.52 is: 588,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,305 : 662,717.34 = 427,496.52 : x
  2. Step 2: Convert to fraction form
    481,305/662,717.34 = 427,496.52/x
  3. Step 3: Cross multiply
    481,305x = 662,717.34 × 427,496.52
  4. Step 4: Simplify right side
    481,305x = 283,309,356,593.66
  5. Step 5: Solve for x
    x = 283,309,356,593.66/481,305
  6. Step 6: Final answer
    x = 588,627.50

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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.