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Finding the Fourth Proportional to 356,703.37, 492,250.53 and 195,554.97

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Solution

The fourth proportional to 356,703.37, 492,250.53 and 195,554.97 is: 269,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,703.37 : 492,250.53 = 195,554.97 : x
  2. Step 2: Convert to fraction form
    356,703.37/492,250.53 = 195,554.97/x
  3. Step 3: Cross multiply
    356,703.37x = 492,250.53 × 195,554.97
  4. Step 4: Simplify right side
    356,703.37x = 96,262,037,626.63
  5. Step 5: Solve for x
    x = 96,262,037,626.63/356,703.37
  6. Step 6: Final answer
    x = 269,865.79

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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.