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Finding the Fourth Proportional to 395,242.44, 592,958.14 and 129,003.46

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Solution

The fourth proportional to 395,242.44, 592,958.14 and 129,003.46 is: 193,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,242.44 : 592,958.14 = 129,003.46 : x
  2. Step 2: Convert to fraction form
    395,242.44/592,958.14 = 129,003.46/x
  3. Step 3: Cross multiply
    395,242.44x = 592,958.14 × 129,003.46
  4. Step 4: Simplify right side
    395,242.44x = 76,493,651,695.16
  5. Step 5: Solve for x
    x = 76,493,651,695.16/395,242.44
  6. Step 6: Final answer
    x = 193,536.03

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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.