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Finding the Fourth Proportional to 441,876.40, 662,134.20 and 329,027.20

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Solution

The fourth proportional to 441,876.40, 662,134.20 and 329,027.20 is: 493,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,876.40 : 662,134.20 = 329,027.20 : x
  2. Step 2: Convert to fraction form
    441,876.40/662,134.20 = 329,027.20/x
  3. Step 3: Cross multiply
    441,876.40x = 662,134.20 × 329,027.20
  4. Step 4: Simplify right side
    441,876.40x = 217,860,161,850.24
  5. Step 5: Solve for x
    x = 217,860,161,850.24/441,876.40
  6. Step 6: Final answer
    x = 493,034.16

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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.