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Finding the Fourth Proportional to 351,504.50, 528,097.90 and 225,391.82

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Solution

The fourth proportional to 351,504.50, 528,097.90 and 225,391.82 is: 338,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,504.50 : 528,097.90 = 225,391.82 : x
  2. Step 2: Convert to fraction form
    351,504.50/528,097.90 = 225,391.82/x
  3. Step 3: Cross multiply
    351,504.50x = 528,097.90 × 225,391.82
  4. Step 4: Simplify right side
    351,504.50x = 119,028,947,575.94
  5. Step 5: Solve for x
    x = 119,028,947,575.94/351,504.50
  6. Step 6: Final answer
    x = 338,627.09

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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.