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Finding the Fourth Proportional to 361,930.60, 543,479.10 and 244,124.20

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Solution

The fourth proportional to 361,930.60, 543,479.10 and 244,124.20 is: 366,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,930.60 : 543,479.10 = 244,124.20 : x
  2. Step 2: Convert to fraction form
    361,930.60/543,479.10 = 244,124.20/x
  3. Step 3: Cross multiply
    361,930.60x = 543,479.10 × 244,124.20
  4. Step 4: Simplify right side
    361,930.60x = 132,676,400,504.22
  5. Step 5: Solve for x
    x = 132,676,400,504.22/361,930.60
  6. Step 6: Final answer
    x = 366,579.67

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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.