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Finding the Fourth Proportional to 291,491.88, 436,250.24 and 179,243.18

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Solution

The fourth proportional to 291,491.88, 436,250.24 and 179,243.18 is: 268,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,491.88 : 436,250.24 = 179,243.18 : x
  2. Step 2: Convert to fraction form
    291,491.88/436,250.24 = 179,243.18/x
  3. Step 3: Cross multiply
    291,491.88x = 436,250.24 × 179,243.18
  4. Step 4: Simplify right side
    291,491.88x = 78,194,880,293.36
  5. Step 5: Solve for x
    x = 78,194,880,293.36/291,491.88
  6. Step 6: Final answer
    x = 268,257.49

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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.