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Finding the Fourth Proportional to 540,796.58, 810,622.83 and 203,691.37

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Solution

The fourth proportional to 540,796.58, 810,622.83 and 203,691.37 is: 305,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,796.58 : 810,622.83 = 203,691.37 : x
  2. Step 2: Convert to fraction form
    540,796.58/810,622.83 = 203,691.37/x
  3. Step 3: Cross multiply
    540,796.58x = 810,622.83 × 203,691.37
  4. Step 4: Simplify right side
    540,796.58x = 165,116,874,760.91
  5. Step 5: Solve for x
    x = 165,116,874,760.91/540,796.58
  6. Step 6: Final answer
    x = 305,321.60

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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.