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Finding the Fourth Proportional to 335,778.32, 503,546.52 and 111,097.28

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Solution

The fourth proportional to 335,778.32, 503,546.52 and 111,097.28 is: 166,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,778.32 : 503,546.52 = 111,097.28 : x
  2. Step 2: Convert to fraction form
    335,778.32/503,546.52 = 111,097.28/x
  3. Step 3: Cross multiply
    335,778.32x = 503,546.52 × 111,097.28
  4. Step 4: Simplify right side
    335,778.32x = 55,942,648,725.47
  5. Step 5: Solve for x
    x = 55,942,648,725.47/335,778.32
  6. Step 6: Final answer
    x = 166,605.90

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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.