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Finding the Fourth Proportional to 461,987.37, 637,553.03 and 271,138.41

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Solution

The fourth proportional to 461,987.37, 637,553.03 and 271,138.41 is: 374,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,987.37 : 637,553.03 = 271,138.41 : x
  2. Step 2: Convert to fraction form
    461,987.37/637,553.03 = 271,138.41/x
  3. Step 3: Cross multiply
    461,987.37x = 637,553.03 × 271,138.41
  4. Step 4: Simplify right side
    461,987.37x = 172,865,113,489.19
  5. Step 5: Solve for x
    x = 172,865,113,489.19/461,987.37
  6. Step 6: Final answer
    x = 374,177.14

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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.