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Finding the Fourth Proportional to 443,181.48, 664,912.04 and 337,073.68

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Solution

The fourth proportional to 443,181.48, 664,912.04 and 337,073.68 is: 505,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,181.48 : 664,912.04 = 337,073.68 : x
  2. Step 2: Convert to fraction form
    443,181.48/664,912.04 = 337,073.68/x
  3. Step 3: Cross multiply
    443,181.48x = 664,912.04 × 337,073.68
  4. Step 4: Simplify right side
    443,181.48x = 224,124,348,199.11
  5. Step 5: Solve for x
    x = 224,124,348,199.11/443,181.48
  6. Step 6: Final answer
    x = 505,716.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.