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Finding the Fourth Proportional to 356,894.19, 492,514.69 and 195,750.56

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Solution

The fourth proportional to 356,894.19, 492,514.69 and 195,750.56 is: 270,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,894.19 : 492,514.69 = 195,750.56 : x
  2. Step 2: Convert to fraction form
    356,894.19/492,514.69 = 195,750.56/x
  3. Step 3: Cross multiply
    356,894.19x = 492,514.69 × 195,750.56
  4. Step 4: Simplify right side
    356,894.19x = 96,410,026,375.73
  5. Step 5: Solve for x
    x = 96,410,026,375.73/356,894.19
  6. Step 6: Final answer
    x = 270,136.16

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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.