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Finding the Fourth Proportional to 347,425.27, 521,227.75 and 203,452.68

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Solution

The fourth proportional to 347,425.27, 521,227.75 and 203,452.68 is: 305,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,425.27 : 521,227.75 = 203,452.68 : x
  2. Step 2: Convert to fraction form
    347,425.27/521,227.75 = 203,452.68/x
  3. Step 3: Cross multiply
    347,425.27x = 521,227.75 × 203,452.68
  4. Step 4: Simplify right side
    347,425.27x = 106,045,179,004.47
  5. Step 5: Solve for x
    x = 106,045,179,004.47/347,425.27
  6. Step 6: Final answer
    x = 305,231.63

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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.