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Finding the Fourth Proportional to 449,193.94, 674,685.15 and 281,012.02

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Solution

The fourth proportional to 449,193.94, 674,685.15 and 281,012.02 is: 422,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,193.94 : 674,685.15 = 281,012.02 : x
  2. Step 2: Convert to fraction form
    449,193.94/674,685.15 = 281,012.02/x
  3. Step 3: Cross multiply
    449,193.94x = 674,685.15 × 281,012.02
  4. Step 4: Simplify right side
    449,193.94x = 189,594,636,865.50
  5. Step 5: Solve for x
    x = 189,594,636,865.50/449,193.94
  6. Step 6: Final answer
    x = 422,077.46

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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.