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Finding the Fourth Proportional to 443,067.44, 611,425.20 and 252,076.72

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Solution

The fourth proportional to 443,067.44, 611,425.20 and 252,076.72 is: 347,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,067.44 : 611,425.20 = 252,076.72 : x
  2. Step 2: Convert to fraction form
    443,067.44/611,425.20 = 252,076.72/x
  3. Step 3: Cross multiply
    443,067.44x = 611,425.20 × 252,076.72
  4. Step 4: Simplify right side
    443,067.44x = 154,126,058,941.34
  5. Step 5: Solve for x
    x = 154,126,058,941.34/443,067.44
  6. Step 6: Final answer
    x = 347,861.40

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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.