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Finding the Fourth Proportional to 330,194.88, 455,664.96 and 179,292.96

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Solution

The fourth proportional to 330,194.88, 455,664.96 and 179,292.96 is: 247,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,194.88 : 455,664.96 = 179,292.96 : x
  2. Step 2: Convert to fraction form
    330,194.88/455,664.96 = 179,292.96/x
  3. Step 3: Cross multiply
    330,194.88x = 455,664.96 × 179,292.96
  4. Step 4: Simplify right side
    330,194.88x = 81,697,519,446.68
  5. Step 5: Solve for x
    x = 81,697,519,446.68/330,194.88
  6. Step 6: Final answer
    x = 247,422.13

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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.