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Finding the Fourth Proportional to 331,627.04, 497,440.56 and 82,309.04

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Solution

The fourth proportional to 331,627.04, 497,440.56 and 82,309.04 is: 123,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,627.04 : 497,440.56 = 82,309.04 : x
  2. Step 2: Convert to fraction form
    331,627.04/497,440.56 = 82,309.04/x
  3. Step 3: Cross multiply
    331,627.04x = 497,440.56 × 82,309.04
  4. Step 4: Simplify right side
    331,627.04x = 40,943,854,950.66
  5. Step 5: Solve for x
    x = 40,943,854,950.66/331,627.04
  6. Step 6: Final answer
    x = 123,463.56

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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.