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Finding the Fourth Proportional to 484,687.96, 668,891.46 and 269,841.67

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Solution

The fourth proportional to 484,687.96, 668,891.46 and 269,841.67 is: 372,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,687.96 : 668,891.46 = 269,841.67 : x
  2. Step 2: Convert to fraction form
    484,687.96/668,891.46 = 269,841.67/x
  3. Step 3: Cross multiply
    484,687.96x = 668,891.46 × 269,841.67
  4. Step 4: Simplify right side
    484,687.96x = 180,494,788,615.14
  5. Step 5: Solve for x
    x = 180,494,788,615.14/484,687.96
  6. Step 6: Final answer
    x = 372,393.79

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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.