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Finding the Fourth Proportional to 483,992.93, 667,926.43 and 266,210.79

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Solution

The fourth proportional to 483,992.93, 667,926.43 and 266,210.79 is: 367,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,992.93 : 667,926.43 = 266,210.79 : x
  2. Step 2: Convert to fraction form
    483,992.93/667,926.43 = 266,210.79/x
  3. Step 3: Cross multiply
    483,992.93x = 667,926.43 × 266,210.79
  4. Step 4: Simplify right side
    483,992.93x = 177,809,222,988.45
  5. Step 5: Solve for x
    x = 177,809,222,988.45/483,992.93
  6. Step 6: Final answer
    x = 367,379.79

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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.