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Finding the Fourth Proportional to 496,086.60, 744,133.18 and 159,178.44

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Solution

The fourth proportional to 496,086.60, 744,133.18 and 159,178.44 is: 238,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,086.60 : 744,133.18 = 159,178.44 : x
  2. Step 2: Convert to fraction form
    496,086.60/744,133.18 = 159,178.44/x
  3. Step 3: Cross multiply
    496,086.60x = 744,133.18 × 159,178.44
  4. Step 4: Simplify right side
    496,086.60x = 118,449,958,744.64
  5. Step 5: Solve for x
    x = 118,449,958,744.64/496,086.60
  6. Step 6: Final answer
    x = 238,768.71

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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.