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Finding the Fourth Proportional to 344,591.52, 517,123.44 and 134,230.56

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Solution

The fourth proportional to 344,591.52, 517,123.44 and 134,230.56 is: 201,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,591.52 : 517,123.44 = 134,230.56 : x
  2. Step 2: Convert to fraction form
    344,591.52/517,123.44 = 134,230.56/x
  3. Step 3: Cross multiply
    344,591.52x = 517,123.44 × 134,230.56
  4. Step 4: Simplify right side
    344,591.52x = 69,413,768,940.33
  5. Step 5: Solve for x
    x = 69,413,768,940.33/344,591.52
  6. Step 6: Final answer
    x = 201,437.83

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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.