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Finding the Fourth Proportional to 644,701.67, 967,059.79 and 195,418.97

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Solution

The fourth proportional to 644,701.67, 967,059.79 and 195,418.97 is: 293,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,701.67 : 967,059.79 = 195,418.97 : x
  2. Step 2: Convert to fraction form
    644,701.67/967,059.79 = 195,418.97/x
  3. Step 3: Cross multiply
    644,701.67x = 967,059.79 × 195,418.97
  4. Step 4: Simplify right side
    644,701.67x = 188,981,822,766.37
  5. Step 5: Solve for x
    x = 188,981,822,766.37/644,701.67
  6. Step 6: Final answer
    x = 293,130.66

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1.5x scale

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.