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Finding the Fourth Proportional to 329,957.28, 455,342.24 and 179,054.24

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Solution

The fourth proportional to 329,957.28, 455,342.24 and 179,054.24 is: 247,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,957.28 : 455,342.24 = 179,054.24 : x
  2. Step 2: Convert to fraction form
    329,957.28/455,342.24 = 179,054.24/x
  3. Step 3: Cross multiply
    329,957.28x = 455,342.24 × 179,054.24
  4. Step 4: Simplify right side
    329,957.28x = 81,530,958,723.10
  5. Step 5: Solve for x
    x = 81,530,958,723.10/329,957.28
  6. Step 6: Final answer
    x = 247,095.50

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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.