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Finding the Fourth Proportional to 330,396.14, 455,949.88 and 179,494.22

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Solution

The fourth proportional to 330,396.14, 455,949.88 and 179,494.22 is: 247,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,396.14 : 455,949.88 = 179,494.22 : x
  2. Step 2: Convert to fraction form
    330,396.14/455,949.88 = 179,494.22/x
  3. Step 3: Cross multiply
    330,396.14x = 455,949.88 × 179,494.22
  4. Step 4: Simplify right side
    330,396.14x = 81,840,368,069.69
  5. Step 5: Solve for x
    x = 81,840,368,069.69/330,396.14
  6. Step 6: Final answer
    x = 247,703.77

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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.