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Finding the Fourth Proportional to 291,493.45, 436,252.57 and 179,244.77

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Solution

The fourth proportional to 291,493.45, 436,252.57 and 179,244.77 is: 268,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,493.45 : 436,252.57 = 179,244.77 : x
  2. Step 2: Convert to fraction form
    291,493.45/436,252.57 = 179,244.77/x
  3. Step 3: Cross multiply
    291,493.45x = 436,252.57 × 179,244.77
  4. Step 4: Simplify right side
    291,493.45x = 78,195,988,942.18
  5. Step 5: Solve for x
    x = 78,195,988,942.18/291,493.45
  6. Step 6: Final answer
    x = 268,259.85

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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.