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Finding the Fourth Proportional to 335,318.70, 503,040.24 and 110,694.78

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Solution

The fourth proportional to 335,318.70, 503,040.24 and 110,694.78 is: 166,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,318.70 : 503,040.24 = 110,694.78 : x
  2. Step 2: Convert to fraction form
    335,318.70/503,040.24 = 110,694.78/x
  3. Step 3: Cross multiply
    335,318.70x = 503,040.24 × 110,694.78
  4. Step 4: Simplify right side
    335,318.70x = 55,683,928,697.95
  5. Step 5: Solve for x
    x = 55,683,928,697.95/335,318.70
  6. Step 6: Final answer
    x = 166,062.70

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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.