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Finding the Fourth Proportional to 494,661.25, 741,490.38 and 195,352.68

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Solution

The fourth proportional to 494,661.25, 741,490.38 and 195,352.68 is: 292,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,661.25 : 741,490.38 = 195,352.68 : x
  2. Step 2: Convert to fraction form
    494,661.25/741,490.38 = 195,352.68/x
  3. Step 3: Cross multiply
    494,661.25x = 741,490.38 × 195,352.68
  4. Step 4: Simplify right side
    494,661.25x = 144,852,131,950.46
  5. Step 5: Solve for x
    x = 144,852,131,950.46/494,661.25
  6. Step 6: Final answer
    x = 292,830.97

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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.