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Finding the Fourth Proportional to 335,329.72, 503,056.74 and 110,705.78

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Solution

The fourth proportional to 335,329.72, 503,056.74 and 110,705.78 is: 166,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,329.72 : 503,056.74 = 110,705.78 : x
  2. Step 2: Convert to fraction form
    335,329.72/503,056.74 = 110,705.78/x
  3. Step 3: Cross multiply
    335,329.72x = 503,056.74 × 110,705.78
  4. Step 4: Simplify right side
    335,329.72x = 55,691,288,785.96
  5. Step 5: Solve for x
    x = 55,691,288,785.96/335,329.72
  6. Step 6: Final answer
    x = 166,079.19

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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.