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Finding the Fourth Proportional to 367,364.44, 550,520.90 and 209,266.20

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Solution

The fourth proportional to 367,364.44, 550,520.90 and 209,266.20 is: 313,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,364.44 : 550,520.90 = 209,266.20 : x
  2. Step 2: Convert to fraction form
    367,364.44/550,520.90 = 209,266.20/x
  3. Step 3: Cross multiply
    367,364.44x = 550,520.90 × 209,266.20
  4. Step 4: Simplify right side
    367,364.44x = 115,205,416,763.58
  5. Step 5: Solve for x
    x = 115,205,416,763.58/367,364.44
  6. Step 6: Final answer
    x = 313,599.81

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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.