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Finding the Fourth Proportional to 394,616.80, 592,012.86 and 184,139.92

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Solution

The fourth proportional to 394,616.80, 592,012.86 and 184,139.92 is: 276,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,616.80 : 592,012.86 = 184,139.92 : x
  2. Step 2: Convert to fraction form
    394,616.80/592,012.86 = 184,139.92/x
  3. Step 3: Cross multiply
    394,616.80x = 592,012.86 × 184,139.92
  4. Step 4: Simplify right side
    394,616.80x = 109,013,200,679.37
  5. Step 5: Solve for x
    x = 109,013,200,679.37/394,616.80
  6. Step 6: Final answer
    x = 276,250.78

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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.