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Finding the Fourth Proportional to 382,702.45, 574,183.40 and 169,440.95

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Solution

The fourth proportional to 382,702.45, 574,183.40 and 169,440.95 is: 254,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,702.45 : 574,183.40 = 169,440.95 : x
  2. Step 2: Convert to fraction form
    382,702.45/574,183.40 = 169,440.95/x
  3. Step 3: Cross multiply
    382,702.45x = 574,183.40 × 169,440.95
  4. Step 4: Simplify right side
    382,702.45x = 97,290,180,770.23
  5. Step 5: Solve for x
    x = 97,290,180,770.23/382,702.45
  6. Step 6: Final answer
    x = 254,218.86

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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.