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Finding the Fourth Proportional to 356,951.16, 492,606.24 and 195,813

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Solution

The fourth proportional to 356,951.16, 492,606.24 and 195,813 is: 270,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,951.16 : 492,606.24 = 195,813 : x
  2. Step 2: Convert to fraction form
    356,951.16/492,606.24 = 195,813/x
  3. Step 3: Cross multiply
    356,951.16x = 492,606.24 × 195,813
  4. Step 4: Simplify right side
    356,951.16x = 96,458,705,673.12
  5. Step 5: Solve for x
    x = 96,458,705,673.12/356,951.16
  6. Step 6: Final answer
    x = 270,229.42

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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.