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Finding the Fourth Proportional to 443,175.60, 664,930.89 and 173,496.45

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Solution

The fourth proportional to 443,175.60, 664,930.89 and 173,496.45 is: 260,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,175.60 : 664,930.89 = 173,496.45 : x
  2. Step 2: Convert to fraction form
    443,175.60/664,930.89 = 173,496.45/x
  3. Step 3: Cross multiply
    443,175.60x = 664,930.89 × 173,496.45
  4. Step 4: Simplify right side
    443,175.60x = 115,363,148,910.34
  5. Step 5: Solve for x
    x = 115,363,148,910.34/443,175.60
  6. Step 6: Final answer
    x = 260,310.24

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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.