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Finding the Fourth Proportional to 394,682.40, 592,023.60 and 252,964.80

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Solution

The fourth proportional to 394,682.40, 592,023.60 and 252,964.80 is: 379,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,682.40 : 592,023.60 = 252,964.80 : x
  2. Step 2: Convert to fraction form
    394,682.40/592,023.60 = 252,964.80/x
  3. Step 3: Cross multiply
    394,682.40x = 592,023.60 × 252,964.80
  4. Step 4: Simplify right side
    394,682.40x = 149,761,131,569.28
  5. Step 5: Solve for x
    x = 149,761,131,569.28/394,682.40
  6. Step 6: Final answer
    x = 379,447.20

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1.5x scale

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.