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Finding the Fourth Proportional to 449,134.67, 619,910.04 and 296,200.46

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Solution

The fourth proportional to 449,134.67, 619,910.04 and 296,200.46 is: 408,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,134.67 : 619,910.04 = 296,200.46 : x
  2. Step 2: Convert to fraction form
    449,134.67/619,910.04 = 296,200.46/x
  3. Step 3: Cross multiply
    449,134.67x = 619,910.04 × 296,200.46
  4. Step 4: Simplify right side
    449,134.67x = 183,617,639,006.62
  5. Step 5: Solve for x
    x = 183,617,639,006.62/449,134.67
  6. Step 6: Final answer
    x = 408,825.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.