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Finding the Fourth Proportional to 322,384.50, 444,895.22 and 177,203.72

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Solution

The fourth proportional to 322,384.50, 444,895.22 and 177,203.72 is: 244,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,384.50 : 444,895.22 = 177,203.72 : x
  2. Step 2: Convert to fraction form
    322,384.50/444,895.22 = 177,203.72/x
  3. Step 3: Cross multiply
    322,384.50x = 444,895.22 × 177,203.72
  4. Step 4: Simplify right side
    322,384.50x = 78,837,087,994.22
  5. Step 5: Solve for x
    x = 78,837,087,994.22/322,384.50
  6. Step 6: Final answer
    x = 244,543.67

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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.