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Finding the Fourth Proportional to 295,682.80, 443,524.20 and 85,327.60

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Solution

The fourth proportional to 295,682.80, 443,524.20 and 85,327.60 is: 127,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,682.80 : 443,524.20 = 85,327.60 : x
  2. Step 2: Convert to fraction form
    295,682.80/443,524.20 = 85,327.60/x
  3. Step 3: Cross multiply
    295,682.80x = 443,524.20 × 85,327.60
  4. Step 4: Simplify right side
    295,682.80x = 37,844,855,527.92
  5. Step 5: Solve for x
    x = 37,844,855,527.92/295,682.80
  6. Step 6: Final answer
    x = 127,991.40

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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.