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Finding the Fourth Proportional to 394,958.36, 592,769.27 and 170,488.33

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Solution

The fourth proportional to 394,958.36, 592,769.27 and 170,488.33 is: 255,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,958.36 : 592,769.27 = 170,488.33 : x
  2. Step 2: Convert to fraction form
    394,958.36/592,769.27 = 170,488.33/x
  3. Step 3: Cross multiply
    394,958.36x = 592,769.27 × 170,488.33
  4. Step 4: Simplify right side
    394,958.36x = 101,060,241,861.92
  5. Step 5: Solve for x
    x = 101,060,241,861.92/394,958.36
  6. Step 6: Final answer
    x = 255,875.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.