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Finding the Fourth Proportional to 484,380.84, 726,668.46 and 168,753

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Solution

The fourth proportional to 484,380.84, 726,668.46 and 168,753 is: 253,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,380.84 : 726,668.46 = 168,753 : x
  2. Step 2: Convert to fraction form
    484,380.84/726,668.46 = 168,753/x
  3. Step 3: Cross multiply
    484,380.84x = 726,668.46 × 168,753
  4. Step 4: Simplify right side
    484,380.84x = 122,627,482,630.38
  5. Step 5: Solve for x
    x = 122,627,482,630.38/484,380.84
  6. Step 6: Final answer
    x = 253,163.36

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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.