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Finding the Fourth Proportional to 394,519.73, 544,433.15 and 224,757.50

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Solution

The fourth proportional to 394,519.73, 544,433.15 and 224,757.50 is: 310,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,519.73 : 544,433.15 = 224,757.50 : x
  2. Step 2: Convert to fraction form
    394,519.73/544,433.15 = 224,757.50/x
  3. Step 3: Cross multiply
    394,519.73x = 544,433.15 × 224,757.50
  4. Step 4: Simplify right side
    394,519.73x = 122,365,432,587.34
  5. Step 5: Solve for x
    x = 122,365,432,587.34/394,519.73
  6. Step 6: Final answer
    x = 310,163.02

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1.5x scale

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.