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Finding the Fourth Proportional to 462,199.17, 637,776.24 and 271,142.85

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Solution

The fourth proportional to 462,199.17, 637,776.24 and 271,142.85 is: 374,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,199.17 : 637,776.24 = 271,142.85 : x
  2. Step 2: Convert to fraction form
    462,199.17/637,776.24 = 271,142.85/x
  3. Step 3: Cross multiply
    462,199.17x = 637,776.24 × 271,142.85
  4. Step 4: Simplify right side
    462,199.17x = 172,928,467,375.88
  5. Step 5: Solve for x
    x = 172,928,467,375.88/462,199.17
  6. Step 6: Final answer
    x = 374,142.75

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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.