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Finding the Fourth Proportional to 329,956.71, 455,340.27 and 179,053.71

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Solution

The fourth proportional to 329,956.71, 455,340.27 and 179,053.71 is: 247,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,956.71 : 455,340.27 = 179,053.71 : x
  2. Step 2: Convert to fraction form
    329,956.71/455,340.27 = 179,053.71/x
  3. Step 3: Cross multiply
    329,956.71x = 455,340.27 × 179,053.71
  4. Step 4: Simplify right side
    329,956.71x = 81,530,364,655.90
  5. Step 5: Solve for x
    x = 81,530,364,655.90/329,956.71
  6. Step 6: Final answer
    x = 247,094.13

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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.