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Finding the Fourth Proportional to 335,763.40, 503,256.30 and 135,952.60

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Solution

The fourth proportional to 335,763.40, 503,256.30 and 135,952.60 is: 203,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,763.40 : 503,256.30 = 135,952.60 : x
  2. Step 2: Convert to fraction form
    335,763.40/503,256.30 = 135,952.60/x
  3. Step 3: Cross multiply
    335,763.40x = 503,256.30 × 135,952.60
  4. Step 4: Simplify right side
    335,763.40x = 68,419,002,451.38
  5. Step 5: Solve for x
    x = 68,419,002,451.38/335,763.40
  6. Step 6: Final answer
    x = 203,771.47

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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.