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Finding the Fourth Proportional to 395,241.44, 592,956.64 and 129,002.46

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Solution

The fourth proportional to 395,241.44, 592,956.64 and 129,002.46 is: 193,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,241.44 : 592,956.64 = 129,002.46 : x
  2. Step 2: Convert to fraction form
    395,241.44/592,956.64 = 129,002.46/x
  3. Step 3: Cross multiply
    395,241.44x = 592,956.64 × 129,002.46
  4. Step 4: Simplify right side
    395,241.44x = 76,492,865,233.33
  5. Step 5: Solve for x
    x = 76,492,865,233.33/395,241.44
  6. Step 6: Final answer
    x = 193,534.53

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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.