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Finding the Fourth Proportional to 323,058.61, 445,820.90 and 179,815.58

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Solution

The fourth proportional to 323,058.61, 445,820.90 and 179,815.58 is: 248,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,058.61 : 445,820.90 = 179,815.58 : x
  2. Step 2: Convert to fraction form
    323,058.61/445,820.90 = 179,815.58/x
  3. Step 3: Cross multiply
    323,058.61x = 445,820.90 × 179,815.58
  4. Step 4: Simplify right side
    323,058.61x = 80,165,543,709.62
  5. Step 5: Solve for x
    x = 80,165,543,709.62/323,058.61
  6. Step 6: Final answer
    x = 248,145.51

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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.