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Finding the Fourth Proportional to 394,896.60, 591,808.07 and 167,002.76

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Solution

The fourth proportional to 394,896.60, 591,808.07 and 167,002.76 is: 250,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,896.60 : 591,808.07 = 167,002.76 : x
  2. Step 2: Convert to fraction form
    394,896.60/591,808.07 = 167,002.76/x
  3. Step 3: Cross multiply
    394,896.60x = 591,808.07 × 167,002.76
  4. Step 4: Simplify right side
    394,896.60x = 98,833,582,977.30
  5. Step 5: Solve for x
    x = 98,833,582,977.30/394,896.60
  6. Step 6: Final answer
    x = 250,277.12

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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.