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Finding the Fourth Proportional to 483,864.61, 667,735.76 and 266,087.33

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Solution

The fourth proportional to 483,864.61, 667,735.76 and 266,087.33 is: 367,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,864.61 : 667,735.76 = 266,087.33 : x
  2. Step 2: Convert to fraction form
    483,864.61/667,735.76 = 266,087.33/x
  3. Step 3: Cross multiply
    483,864.61x = 667,735.76 × 266,087.33
  4. Step 4: Simplify right side
    483,864.61x = 177,676,025,523.92
  5. Step 5: Solve for x
    x = 177,676,025,523.92/483,864.61
  6. Step 6: Final answer
    x = 367,201.94

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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.