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Finding the Fourth Proportional to 483,842.77, 667,717.53 and 266,040.17

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Solution

The fourth proportional to 483,842.77, 667,717.53 and 266,040.17 is: 367,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,842.77 : 667,717.53 = 266,040.17 : x
  2. Step 2: Convert to fraction form
    483,842.77/667,717.53 = 266,040.17/x
  3. Step 3: Cross multiply
    483,842.77x = 667,717.53 × 266,040.17
  4. Step 4: Simplify right side
    483,842.77x = 177,639,685,193.18
  5. Step 5: Solve for x
    x = 177,639,685,193.18/483,842.77
  6. Step 6: Final answer
    x = 367,143.41

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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.