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Finding the Fourth Proportional to 329,995.76, 455,394.03 and 179,092.76

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Solution

The fourth proportional to 329,995.76, 455,394.03 and 179,092.76 is: 247,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,995.76 : 455,394.03 = 179,092.76 : x
  2. Step 2: Convert to fraction form
    329,995.76/455,394.03 = 179,092.76/x
  3. Step 3: Cross multiply
    329,995.76x = 455,394.03 × 179,092.76
  4. Step 4: Simplify right side
    329,995.76x = 81,557,773,720.22
  5. Step 5: Solve for x
    x = 81,557,773,720.22/329,995.76
  6. Step 6: Final answer
    x = 247,147.94

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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.