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Finding the Fourth Proportional to 323,005.19, 445,742.75 and 179,765.27

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Solution

The fourth proportional to 323,005.19, 445,742.75 and 179,765.27 is: 248,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,005.19 : 445,742.75 = 179,765.27 : x
  2. Step 2: Convert to fraction form
    323,005.19/445,742.75 = 179,765.27/x
  3. Step 3: Cross multiply
    323,005.19x = 445,742.75 × 179,765.27
  4. Step 4: Simplify right side
    323,005.19x = 80,129,065,804.29
  5. Step 5: Solve for x
    x = 80,129,065,804.29/323,005.19
  6. Step 6: Final answer
    x = 248,073.62

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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.