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Finding the Fourth Proportional to 322,543.60, 445,121.57 and 177,360.44

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Solution

The fourth proportional to 322,543.60, 445,121.57 and 177,360.44 is: 244,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,543.60 : 445,121.57 = 177,360.44 : x
  2. Step 2: Convert to fraction form
    322,543.60/445,121.57 = 177,360.44/x
  3. Step 3: Cross multiply
    322,543.60x = 445,121.57 × 177,360.44
  4. Step 4: Simplify right side
    322,543.60x = 78,946,955,726.48
  5. Step 5: Solve for x
    x = 78,946,955,726.48/322,543.60
  6. Step 6: Final answer
    x = 244,763.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.