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Finding the Fourth Proportional to 322,887.97, 445,578.44 and 186,927.67

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Solution

The fourth proportional to 322,887.97, 445,578.44 and 186,927.67 is: 257,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,887.97 : 445,578.44 = 186,927.67 : x
  2. Step 2: Convert to fraction form
    322,887.97/445,578.44 = 186,927.67/x
  3. Step 3: Cross multiply
    322,887.97x = 445,578.44 × 186,927.67
  4. Step 4: Simplify right side
    322,887.97x = 83,290,937,363.54
  5. Step 5: Solve for x
    x = 83,290,937,363.54/322,887.97
  6. Step 6: Final answer
    x = 257,956.15

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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.