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Finding the Fourth Proportional to 329,955.56, 455,338.68 and 179,052.56

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Solution

The fourth proportional to 329,955.56, 455,338.68 and 179,052.56 is: 247,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,955.56 : 455,338.68 = 179,052.56 : x
  2. Step 2: Convert to fraction form
    329,955.56/455,338.68 = 179,052.56/x
  3. Step 3: Cross multiply
    329,955.56x = 455,338.68 × 179,052.56
  4. Step 4: Simplify right side
    329,955.56x = 81,529,557,011.74
  5. Step 5: Solve for x
    x = 81,529,557,011.74/329,955.56
  6. Step 6: Final answer
    x = 247,092.54

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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.