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Finding the Fourth Proportional to 244,586.80, 366,880.20 and 210,761.20

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Solution

The fourth proportional to 244,586.80, 366,880.20 and 210,761.20 is: 316,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,586.80 : 366,880.20 = 210,761.20 : x
  2. Step 2: Convert to fraction form
    244,586.80/366,880.20 = 210,761.20/x
  3. Step 3: Cross multiply
    244,586.80x = 366,880.20 × 210,761.20
  4. Step 4: Simplify right side
    244,586.80x = 77,324,111,208.24
  5. Step 5: Solve for x
    x = 77,324,111,208.24/244,586.80
  6. Step 6: Final answer
    x = 316,141.80

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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.