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Finding the Fourth Proportional to 339,195.60, 507,918.60 and 269,211.60

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Solution

The fourth proportional to 339,195.60, 507,918.60 and 269,211.60 is: 403,123.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,195.60 : 507,918.60 = 269,211.60 : x
  2. Step 2: Convert to fraction form
    339,195.60/507,918.60 = 269,211.60/x
  3. Step 3: Cross multiply
    339,195.60x = 507,918.60 × 269,211.60
  4. Step 4: Simplify right side
    339,195.60x = 136,737,578,975.76
  5. Step 5: Solve for x
    x = 136,737,578,975.76/339,195.60
  6. Step 6: Final answer
    x = 403,123.09

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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.