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Finding the Fourth Proportional to 483,386.46, 667,072.83 and 268,546.65

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Solution

The fourth proportional to 483,386.46, 667,072.83 and 268,546.65 is: 370,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,386.46 : 667,072.83 = 268,546.65 : x
  2. Step 2: Convert to fraction form
    483,386.46/667,072.83 = 268,546.65/x
  3. Step 3: Cross multiply
    483,386.46x = 667,072.83 × 268,546.65
  4. Step 4: Simplify right side
    483,386.46x = 179,140,173,802.52
  5. Step 5: Solve for x
    x = 179,140,173,802.52/483,386.46
  6. Step 6: Final answer
    x = 370,594.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.