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Finding the Fourth Proportional to 443,179.44, 611,588.34 and 252,194.40

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Solution

The fourth proportional to 443,179.44, 611,588.34 and 252,194.40 is: 348,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,179.44 : 611,588.34 = 252,194.40 : x
  2. Step 2: Convert to fraction form
    443,179.44/611,588.34 = 252,194.40/x
  3. Step 3: Cross multiply
    443,179.44x = 611,588.34 × 252,194.40
  4. Step 4: Simplify right side
    443,179.44x = 154,239,154,453.30
  5. Step 5: Solve for x
    x = 154,239,154,453.30/443,179.44
  6. Step 6: Final answer
    x = 348,028.68

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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.