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Finding the Fourth Proportional to 336,394.85, 504,604.20 and 83,676.65

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Solution

The fourth proportional to 336,394.85, 504,604.20 and 83,676.65 is: 125,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,394.85 : 504,604.20 = 83,676.65 : x
  2. Step 2: Convert to fraction form
    336,394.85/504,604.20 = 83,676.65/x
  3. Step 3: Cross multiply
    336,394.85x = 504,604.20 × 83,676.65
  4. Step 4: Simplify right side
    336,394.85x = 42,223,586,508.91
  5. Step 5: Solve for x
    x = 42,223,586,508.91/336,394.85
  6. Step 6: Final answer
    x = 125,517.94

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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.