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Finding the Fourth Proportional to 441,406.70, 662,110.05 and 329,432.30

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Solution

The fourth proportional to 441,406.70, 662,110.05 and 329,432.30 is: 494,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,406.70 : 662,110.05 = 329,432.30 : x
  2. Step 2: Convert to fraction form
    441,406.70/662,110.05 = 329,432.30/x
  3. Step 3: Cross multiply
    441,406.70x = 662,110.05 × 329,432.30
  4. Step 4: Simplify right side
    441,406.70x = 218,120,436,624.62
  5. Step 5: Solve for x
    x = 218,120,436,624.62/441,406.70
  6. Step 6: Final answer
    x = 494,148.45

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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.