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Finding the Fourth Proportional to 317,045, 437,522.10 and 182,909

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Solution

The fourth proportional to 317,045, 437,522.10 and 182,909 is: 252,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045 : 437,522.10 = 182,909 : x
  2. Step 2: Convert to fraction form
    317,045/437,522.10 = 182,909/x
  3. Step 3: Cross multiply
    317,045x = 437,522.10 × 182,909
  4. Step 4: Simplify right side
    317,045x = 80,026,729,788.90
  5. Step 5: Solve for x
    x = 80,026,729,788.90/317,045
  6. Step 6: Final answer
    x = 252,414.42

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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.