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Finding the Fourth Proportional to 275,449.75, 413,349.41 and 117,679.39

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Solution

The fourth proportional to 275,449.75, 413,349.41 and 117,679.39 is: 176,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,449.75 : 413,349.41 = 117,679.39 : x
  2. Step 2: Convert to fraction form
    275,449.75/413,349.41 = 117,679.39/x
  3. Step 3: Cross multiply
    275,449.75x = 413,349.41 × 117,679.39
  4. Step 4: Simplify right side
    275,449.75x = 48,642,706,425.66
  5. Step 5: Solve for x
    x = 48,642,706,425.66/275,449.75
  6. Step 6: Final answer
    x = 176,593.76

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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.