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Finding the Fourth Proportional to 304,093.20, 455,448.60 and 192,118.80

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Solution

The fourth proportional to 304,093.20, 455,448.60 and 192,118.80 is: 287,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,093.20 : 455,448.60 = 192,118.80 : x
  2. Step 2: Convert to fraction form
    304,093.20/455,448.60 = 192,118.80/x
  3. Step 3: Cross multiply
    304,093.20x = 455,448.60 × 192,118.80
  4. Step 4: Simplify right side
    304,093.20x = 87,500,238,493.68
  5. Step 5: Solve for x
    x = 87,500,238,493.68/304,093.20
  6. Step 6: Final answer
    x = 287,741.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.