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Finding the Fourth Proportional to 335,046.20, 502,593.60 and 201,639.20

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Solution

The fourth proportional to 335,046.20, 502,593.60 and 201,639.20 is: 302,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,046.20 : 502,593.60 = 201,639.20 : x
  2. Step 2: Convert to fraction form
    335,046.20/502,593.60 = 201,639.20/x
  3. Step 3: Cross multiply
    335,046.20x = 502,593.60 × 201,639.20
  4. Step 4: Simplify right side
    335,046.20x = 101,342,571,429.12
  5. Step 5: Solve for x
    x = 101,342,571,429.12/335,046.20
  6. Step 6: Final answer
    x = 302,473.42

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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.