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Finding the Fourth Proportional to 335,028.88, 502,321.14 and 121,771.46

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Solution

The fourth proportional to 335,028.88, 502,321.14 and 121,771.46 is: 182,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,028.88 : 502,321.14 = 121,771.46 : x
  2. Step 2: Convert to fraction form
    335,028.88/502,321.14 = 121,771.46/x
  3. Step 3: Cross multiply
    335,028.88x = 502,321.14 × 121,771.46
  4. Step 4: Simplify right side
    335,028.88x = 61,168,378,606.66
  5. Step 5: Solve for x
    x = 61,168,378,606.66/335,028.88
  6. Step 6: Final answer
    x = 182,576.44

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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.