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Finding the Fourth Proportional to 538,181.04, 806,991.28 and 200,944.36

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Solution

The fourth proportional to 538,181.04, 806,991.28 and 200,944.36 is: 301,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,181.04 : 806,991.28 = 200,944.36 : x
  2. Step 2: Convert to fraction form
    538,181.04/806,991.28 = 200,944.36/x
  3. Step 3: Cross multiply
    538,181.04x = 806,991.28 × 200,944.36
  4. Step 4: Simplify right side
    538,181.04x = 162,160,346,285.18
  5. Step 5: Solve for x
    x = 162,160,346,285.18/538,181.04
  6. Step 6: Final answer
    x = 301,311.89

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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.