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Finding the Fourth Proportional to 367,363.66, 550,519.76 and 209,265.44

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Solution

The fourth proportional to 367,363.66, 550,519.76 and 209,265.44 is: 313,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,363.66 : 550,519.76 = 209,265.44 : x
  2. Step 2: Convert to fraction form
    367,363.66/550,519.76 = 209,265.44/x
  3. Step 3: Cross multiply
    367,363.66x = 550,519.76 × 209,265.44
  4. Step 4: Simplify right side
    367,363.66x = 115,204,759,805.09
  5. Step 5: Solve for x
    x = 115,204,759,805.09/367,363.66
  6. Step 6: Final answer
    x = 313,598.68

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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.