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Finding the Fourth Proportional to 499,381.44, 749,069.28 and 166,954.56

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Solution

The fourth proportional to 499,381.44, 749,069.28 and 166,954.56 is: 250,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,381.44 : 749,069.28 = 166,954.56 : x
  2. Step 2: Convert to fraction form
    499,381.44/749,069.28 = 166,954.56/x
  3. Step 3: Cross multiply
    499,381.44x = 749,069.28 × 166,954.56
  4. Step 4: Simplify right side
    499,381.44x = 125,060,532,051.92
  5. Step 5: Solve for x
    x = 125,060,532,051.92/499,381.44
  6. Step 6: Final answer
    x = 250,430.88

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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.