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Finding the Fourth Proportional to 367,079.36, 550,596.90 and 218,266.65

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Solution

The fourth proportional to 367,079.36, 550,596.90 and 218,266.65 is: 327,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,079.36 : 550,596.90 = 218,266.65 : x
  2. Step 2: Convert to fraction form
    367,079.36/550,596.90 = 218,266.65/x
  3. Step 3: Cross multiply
    367,079.36x = 550,596.90 × 218,266.65
  4. Step 4: Simplify right side
    367,079.36x = 120,176,940,863.39
  5. Step 5: Solve for x
    x = 120,176,940,863.39/367,079.36
  6. Step 6: Final answer
    x = 327,386.81

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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.