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Finding the Fourth Proportional to 367,262.91, 551,889.45 and 198,907.65

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Solution

The fourth proportional to 367,262.91, 551,889.45 and 198,907.65 is: 298,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,262.91 : 551,889.45 = 198,907.65 : x
  2. Step 2: Convert to fraction form
    367,262.91/551,889.45 = 198,907.65/x
  3. Step 3: Cross multiply
    367,262.91x = 551,889.45 × 198,907.65
  4. Step 4: Simplify right side
    367,262.91x = 109,775,033,559.29
  5. Step 5: Solve for x
    x = 109,775,033,559.29/367,262.91
  6. Step 6: Final answer
    x = 298,900.41

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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.