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Finding the Fourth Proportional to 363,853.42, 545,878.59 and 206,192.59

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Solution

The fourth proportional to 363,853.42, 545,878.59 and 206,192.59 is: 309,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,853.42 : 545,878.59 = 206,192.59 : x
  2. Step 2: Convert to fraction form
    363,853.42/545,878.59 = 206,192.59/x
  3. Step 3: Cross multiply
    363,853.42x = 545,878.59 × 206,192.59
  4. Step 4: Simplify right side
    363,853.42x = 112,556,120,297.65
  5. Step 5: Solve for x
    x = 112,556,120,297.65/363,853.42
  6. Step 6: Final answer
    x = 309,344.68

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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.