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Finding the Fourth Proportional to 356,893.44, 492,513.66 and 195,749.81

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Solution

The fourth proportional to 356,893.44, 492,513.66 and 195,749.81 is: 270,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,893.44 : 492,513.66 = 195,749.81 : x
  2. Step 2: Convert to fraction form
    356,893.44/492,513.66 = 195,749.81/x
  3. Step 3: Cross multiply
    356,893.44x = 492,513.66 × 195,749.81
  4. Step 4: Simplify right side
    356,893.44x = 96,409,456,109.31
  5. Step 5: Solve for x
    x = 96,409,456,109.31/356,893.44
  6. Step 6: Final answer
    x = 270,135.13

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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.