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Finding the Fourth Proportional to 330,206.69, 455,733.41 and 185,022.29

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Solution

The fourth proportional to 330,206.69, 455,733.41 and 185,022.29 is: 255,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,206.69 : 455,733.41 = 185,022.29 : x
  2. Step 2: Convert to fraction form
    330,206.69/455,733.41 = 185,022.29/x
  3. Step 3: Cross multiply
    330,206.69x = 455,733.41 × 185,022.29
  4. Step 4: Simplify right side
    330,206.69x = 84,320,839,361.93
  5. Step 5: Solve for x
    x = 84,320,839,361.93/330,206.69
  6. Step 6: Final answer
    x = 255,357.75

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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.