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Finding the Fourth Proportional to 394,560.80, 592,084.20 and 170,028.80

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Solution

The fourth proportional to 394,560.80, 592,084.20 and 170,028.80 is: 255,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,560.80 : 592,084.20 = 170,028.80 : x
  2. Step 2: Convert to fraction form
    394,560.80/592,084.20 = 170,028.80/x
  3. Step 3: Cross multiply
    394,560.80x = 592,084.20 × 170,028.80
  4. Step 4: Simplify right side
    394,560.80x = 100,671,366,024.96
  5. Step 5: Solve for x
    x = 100,671,366,024.96/394,560.80
  6. Step 6: Final answer
    x = 255,147.92

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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.