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Finding the Fourth Proportional to 367,286.66, 550,934.85 and 209,326.94

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Solution

The fourth proportional to 367,286.66, 550,934.85 and 209,326.94 is: 313,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,286.66 : 550,934.85 = 209,326.94 : x
  2. Step 2: Convert to fraction form
    367,286.66/550,934.85 = 209,326.94/x
  3. Step 3: Cross multiply
    367,286.66x = 550,934.85 × 209,326.94
  4. Step 4: Simplify right side
    367,286.66x = 115,325,503,535.19
  5. Step 5: Solve for x
    x = 115,325,503,535.19/367,286.66
  6. Step 6: Final answer
    x = 313,993.18

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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.