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Finding the Fourth Proportional to 335,953.80, 503,919.90 and 111,324.60

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Solution

The fourth proportional to 335,953.80, 503,919.90 and 111,324.60 is: 166,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,953.80 : 503,919.90 = 111,324.60 : x
  2. Step 2: Convert to fraction form
    335,953.80/503,919.90 = 111,324.60/x
  3. Step 3: Cross multiply
    335,953.80x = 503,919.90 × 111,324.60
  4. Step 4: Simplify right side
    335,953.80x = 56,098,681,299.54
  5. Step 5: Solve for x
    x = 56,098,681,299.54/335,953.80
  6. Step 6: Final answer
    x = 166,983.32

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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.