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Finding the Fourth Proportional to 334,536.62, 501,800.58 and 81,819.30

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Solution

The fourth proportional to 334,536.62, 501,800.58 and 81,819.30 is: 122,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,536.62 : 501,800.58 = 81,819.30 : x
  2. Step 2: Convert to fraction form
    334,536.62/501,800.58 = 81,819.30/x
  3. Step 3: Cross multiply
    334,536.62x = 501,800.58 × 81,819.30
  4. Step 4: Simplify right side
    334,536.62x = 41,056,972,195.19
  5. Step 5: Solve for x
    x = 41,056,972,195.19/334,536.62
  6. Step 6: Final answer
    x = 122,727.89

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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.