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Finding the Fourth Proportional to 263,415.66, 363,514.53 and 142,556.91

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Solution

The fourth proportional to 263,415.66, 363,514.53 and 142,556.91 is: 196,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,415.66 : 363,514.53 = 142,556.91 : x
  2. Step 2: Convert to fraction form
    263,415.66/363,514.53 = 142,556.91/x
  3. Step 3: Cross multiply
    263,415.66x = 363,514.53 × 142,556.91
  4. Step 4: Simplify right side
    263,415.66x = 51,821,508,136.90
  5. Step 5: Solve for x
    x = 51,821,508,136.90/263,415.66
  6. Step 6: Final answer
    x = 196,729.03

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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.