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Finding the Fourth Proportional to 394,744.05, 592,148.88 and 157,957.56

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Solution

The fourth proportional to 394,744.05, 592,148.88 and 157,957.56 is: 236,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,744.05 : 592,148.88 = 157,957.56 : x
  2. Step 2: Convert to fraction form
    394,744.05/592,148.88 = 157,957.56/x
  3. Step 3: Cross multiply
    394,744.05x = 592,148.88 × 157,957.56
  4. Step 4: Simplify right side
    394,744.05x = 93,534,392,241.53
  5. Step 5: Solve for x
    x = 93,534,392,241.53/394,744.05
  6. Step 6: Final answer
    x = 236,949.47

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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.