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Finding the Fourth Proportional to 445,388.88, 668,114.64 and 179,150.88

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Solution

The fourth proportional to 445,388.88, 668,114.64 and 179,150.88 is: 268,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,388.88 : 668,114.64 = 179,150.88 : x
  2. Step 2: Convert to fraction form
    445,388.88/668,114.64 = 179,150.88/x
  3. Step 3: Cross multiply
    445,388.88x = 668,114.64 × 179,150.88
  4. Step 4: Simplify right side
    445,388.88x = 119,693,325,696.88
  5. Step 5: Solve for x
    x = 119,693,325,696.88/445,388.88
  6. Step 6: Final answer
    x = 268,738.92

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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.