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Finding the Fourth Proportional to 244,640.40, 366,960.60 and 169,990.80

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Solution

The fourth proportional to 244,640.40, 366,960.60 and 169,990.80 is: 254,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,640.40 : 366,960.60 = 169,990.80 : x
  2. Step 2: Convert to fraction form
    244,640.40/366,960.60 = 169,990.80/x
  3. Step 3: Cross multiply
    244,640.40x = 366,960.60 × 169,990.80
  4. Step 4: Simplify right side
    244,640.40x = 62,379,925,962.48
  5. Step 5: Solve for x
    x = 62,379,925,962.48/244,640.40
  6. Step 6: Final answer
    x = 254,986.20

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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.