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Finding the Fourth Proportional to 335,910.59, 503,936.96 and 111,258.30

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Solution

The fourth proportional to 335,910.59, 503,936.96 and 111,258.30 is: 166,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,910.59 : 503,936.96 = 111,258.30 : x
  2. Step 2: Convert to fraction form
    335,910.59/503,936.96 = 111,258.30/x
  3. Step 3: Cross multiply
    335,910.59x = 503,936.96 × 111,258.30
  4. Step 4: Simplify right side
    335,910.59x = 56,067,168,920.48
  5. Step 5: Solve for x
    x = 56,067,168,920.48/335,910.59
  6. Step 6: Final answer
    x = 166,910.99

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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.