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Finding the Fourth Proportional to 297,841.34, 446,794.68 and 129,245.78

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Solution

The fourth proportional to 297,841.34, 446,794.68 and 129,245.78 is: 193,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,841.34 : 446,794.68 = 129,245.78 : x
  2. Step 2: Convert to fraction form
    297,841.34/446,794.68 = 129,245.78/x
  3. Step 3: Cross multiply
    297,841.34x = 446,794.68 × 129,245.78
  4. Step 4: Simplify right side
    297,841.34x = 57,746,326,916.45
  5. Step 5: Solve for x
    x = 57,746,326,916.45/297,841.34
  6. Step 6: Final answer
    x = 193,882.85

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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.