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Finding the Fourth Proportional to 335,135.35, 502,698.60 and 82,418.02

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Solution

The fourth proportional to 335,135.35, 502,698.60 and 82,418.02 is: 123,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,135.35 : 502,698.60 = 82,418.02 : x
  2. Step 2: Convert to fraction form
    335,135.35/502,698.60 = 82,418.02/x
  3. Step 3: Cross multiply
    335,135.35x = 502,698.60 × 82,418.02
  4. Step 4: Simplify right side
    335,135.35x = 41,431,423,268.77
  5. Step 5: Solve for x
    x = 41,431,423,268.77/335,135.35
  6. Step 6: Final answer
    x = 123,625.94

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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.