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Finding the Fourth Proportional to 395,404.80, 593,107.20 and 182,172.30

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Solution

The fourth proportional to 395,404.80, 593,107.20 and 182,172.30 is: 273,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,404.80 : 593,107.20 = 182,172.30 : x
  2. Step 2: Convert to fraction form
    395,404.80/593,107.20 = 182,172.30/x
  3. Step 3: Cross multiply
    395,404.80x = 593,107.20 × 182,172.30
  4. Step 4: Simplify right side
    395,404.80x = 108,047,702,770.56
  5. Step 5: Solve for x
    x = 108,047,702,770.56/395,404.80
  6. Step 6: Final answer
    x = 273,258.45

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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.