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Finding the Fourth Proportional to 335,033.37, 502,643.85 and 135,493.88

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Solution

The fourth proportional to 335,033.37, 502,643.85 and 135,493.88 is: 203,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,033.37 : 502,643.85 = 135,493.88 : x
  2. Step 2: Convert to fraction form
    335,033.37/502,643.85 = 135,493.88/x
  3. Step 3: Cross multiply
    335,033.37x = 502,643.85 × 135,493.88
  4. Step 4: Simplify right side
    335,033.37x = 68,105,166,443.92
  5. Step 5: Solve for x
    x = 68,105,166,443.92/335,033.37
  6. Step 6: Final answer
    x = 203,278.76

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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.