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Finding the Fourth Proportional to 395,430.80, 593,146.20 and 182,198.30

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Solution

The fourth proportional to 395,430.80, 593,146.20 and 182,198.30 is: 273,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,430.80 : 593,146.20 = 182,198.30 : x
  2. Step 2: Convert to fraction form
    395,430.80/593,146.20 = 182,198.30/x
  3. Step 3: Cross multiply
    395,430.80x = 593,146.20 × 182,198.30
  4. Step 4: Simplify right side
    395,430.80x = 108,070,229,291.46
  5. Step 5: Solve for x
    x = 108,070,229,291.46/395,430.80
  6. Step 6: Final answer
    x = 273,297.45

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Similar ratio
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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.