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Finding the Fourth Proportional to 356,194.17, 491,529.60 and 195,018.03

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Solution

The fourth proportional to 356,194.17, 491,529.60 and 195,018.03 is: 269,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,194.17 : 491,529.60 = 195,018.03 : x
  2. Step 2: Convert to fraction form
    356,194.17/491,529.60 = 195,018.03/x
  3. Step 3: Cross multiply
    356,194.17x = 491,529.60 × 195,018.03
  4. Step 4: Simplify right side
    356,194.17x = 95,857,134,278.69
  5. Step 5: Solve for x
    x = 95,857,134,278.69/356,194.17
  6. Step 6: Final answer
    x = 269,114.83

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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.