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Finding the Fourth Proportional to 331,337.25, 497,005.88 and 82,019.25

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Solution

The fourth proportional to 331,337.25, 497,005.88 and 82,019.25 is: 123,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,337.25 : 497,005.88 = 82,019.25 : x
  2. Step 2: Convert to fraction form
    331,337.25/497,005.88 = 82,019.25/x
  3. Step 3: Cross multiply
    331,337.25x = 497,005.88 × 82,019.25
  4. Step 4: Simplify right side
    331,337.25x = 40,764,049,113.09
  5. Step 5: Solve for x
    x = 40,764,049,113.09/331,337.25
  6. Step 6: Final answer
    x = 123,028.88

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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.