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Finding the Fourth Proportional to 329,983.63, 455,382.87 and 179,080.63

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Solution

The fourth proportional to 329,983.63, 455,382.87 and 179,080.63 is: 247,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,983.63 : 455,382.87 = 179,080.63 : x
  2. Step 2: Convert to fraction form
    329,983.63/455,382.87 = 179,080.63/x
  3. Step 3: Cross multiply
    329,983.63x = 455,382.87 × 179,080.63
  4. Step 4: Simplify right side
    329,983.63x = 81,550,251,250.81
  5. Step 5: Solve for x
    x = 81,550,251,250.81/329,983.63
  6. Step 6: Final answer
    x = 247,134.23

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1.5x scale

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.