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Finding the Fourth Proportional to 244,640.70, 366,961.06 and 207,315.90

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Solution

The fourth proportional to 244,640.70, 366,961.06 and 207,315.90 is: 310,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,640.70 : 366,961.06 = 207,315.90 : x
  2. Step 2: Convert to fraction form
    244,640.70/366,961.06 = 207,315.90/x
  3. Step 3: Cross multiply
    244,640.70x = 366,961.06 × 207,315.90
  4. Step 4: Simplify right side
    244,640.70x = 76,076,862,418.85
  5. Step 5: Solve for x
    x = 76,076,862,418.85/244,640.70
  6. Step 6: Final answer
    x = 310,973.86

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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.