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Finding the Fourth Proportional to 479,819.09, 662,137.61 and 264,954.58

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Solution

The fourth proportional to 479,819.09, 662,137.61 and 264,954.58 is: 365,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,819.09 : 662,137.61 = 264,954.58 : x
  2. Step 2: Convert to fraction form
    479,819.09/662,137.61 = 264,954.58/x
  3. Step 3: Cross multiply
    479,819.09x = 662,137.61 × 264,954.58
  4. Step 4: Simplify right side
    479,819.09x = 175,436,389,379.64
  5. Step 5: Solve for x
    x = 175,436,389,379.64/479,819.09
  6. Step 6: Final answer
    x = 365,630.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.