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Finding the Fourth Proportional to 339,176.50, 468,063.57 and 188,287.54

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Solution

The fourth proportional to 339,176.50, 468,063.57 and 188,287.54 is: 259,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,176.50 : 468,063.57 = 188,287.54 : x
  2. Step 2: Convert to fraction form
    339,176.50/468,063.57 = 188,287.54/x
  3. Step 3: Cross multiply
    339,176.50x = 468,063.57 × 188,287.54
  4. Step 4: Simplify right side
    339,176.50x = 88,130,538,158.92
  5. Step 5: Solve for x
    x = 88,130,538,158.92/339,176.50
  6. Step 6: Final answer
    x = 259,836.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.