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Finding the Fourth Proportional to 488,446.80, 733,447.80 and 331,371.60

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Solution

The fourth proportional to 488,446.80, 733,447.80 and 331,371.60 is: 497,584.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,446.80 : 733,447.80 = 331,371.60 : x
  2. Step 2: Convert to fraction form
    488,446.80/733,447.80 = 331,371.60/x
  3. Step 3: Cross multiply
    488,446.80x = 733,447.80 × 331,371.60
  4. Step 4: Simplify right side
    488,446.80x = 243,043,771,002.48
  5. Step 5: Solve for x
    x = 243,043,771,002.48/488,446.80
  6. Step 6: Final answer
    x = 497,584.94

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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.