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Finding the Fourth Proportional to 253,554.28, 380,542.60 and 133,654.28

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Solution

The fourth proportional to 253,554.28, 380,542.60 and 133,654.28 is: 200,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,554.28 : 380,542.60 = 133,654.28 : x
  2. Step 2: Convert to fraction form
    253,554.28/380,542.60 = 133,654.28/x
  3. Step 3: Cross multiply
    253,554.28x = 380,542.60 × 133,654.28
  4. Step 4: Simplify right side
    253,554.28x = 50,861,147,212.33
  5. Step 5: Solve for x
    x = 50,861,147,212.33/253,554.28
  6. Step 6: Final answer
    x = 200,592.74

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1.5x scale

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.