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Finding the Fourth Proportional to 335,379.87, 503,263.56 and 177,608.32

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Solution

The fourth proportional to 335,379.87, 503,263.56 and 177,608.32 is: 266,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,379.87 : 503,263.56 = 177,608.32 : x
  2. Step 2: Convert to fraction form
    335,379.87/503,263.56 = 177,608.32/x
  3. Step 3: Cross multiply
    335,379.87x = 503,263.56 × 177,608.32
  4. Step 4: Simplify right side
    335,379.87x = 89,383,794,733.55
  5. Step 5: Solve for x
    x = 89,383,794,733.55/335,379.87
  6. Step 6: Final answer
    x = 266,515.09

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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.