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Finding the Fourth Proportional to 348,166.62, 480,461.49 and 195,212.43

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Solution

The fourth proportional to 348,166.62, 480,461.49 and 195,212.43 is: 269,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,166.62 : 480,461.49 = 195,212.43 : x
  2. Step 2: Convert to fraction form
    348,166.62/480,461.49 = 195,212.43/x
  3. Step 3: Cross multiply
    348,166.62x = 480,461.49 × 195,212.43
  4. Step 4: Simplify right side
    348,166.62x = 93,792,054,984.32
  5. Step 5: Solve for x
    x = 93,792,054,984.32/348,166.62
  6. Step 6: Final answer
    x = 269,388.42

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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.