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Finding the Fourth Proportional to 363,311.50, 544,784.09 and 110,543.51

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Solution

The fourth proportional to 363,311.50, 544,784.09 and 110,543.51 is: 165,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,311.50 : 544,784.09 = 110,543.51 : x
  2. Step 2: Convert to fraction form
    363,311.50/544,784.09 = 110,543.51/x
  3. Step 3: Cross multiply
    363,311.50x = 544,784.09 × 110,543.51
  4. Step 4: Simplify right side
    363,311.50x = 60,222,345,555.05
  5. Step 5: Solve for x
    x = 60,222,345,555.05/363,311.50
  6. Step 6: Final answer
    x = 165,759.53

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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.