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Finding the Fourth Proportional to 275,653.56, 413,494.46 and 75,969.52

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Solution

The fourth proportional to 275,653.56, 413,494.46 and 75,969.52 is: 113,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,653.56 : 413,494.46 = 75,969.52 : x
  2. Step 2: Convert to fraction form
    275,653.56/413,494.46 = 75,969.52/x
  3. Step 3: Cross multiply
    275,653.56x = 413,494.46 × 75,969.52
  4. Step 4: Simplify right side
    275,653.56x = 31,412,975,648.86
  5. Step 5: Solve for x
    x = 31,412,975,648.86/275,653.56
  6. Step 6: Final answer
    x = 113,958.17

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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.