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Finding the Fourth Proportional to 241,556.80, 361,897.80 and 206,564.80

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Solution

The fourth proportional to 241,556.80, 361,897.80 and 206,564.80 is: 309,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,556.80 : 361,897.80 = 206,564.80 : x
  2. Step 2: Convert to fraction form
    241,556.80/361,897.80 = 206,564.80/x
  3. Step 3: Cross multiply
    241,556.80x = 361,897.80 × 206,564.80
  4. Step 4: Simplify right side
    241,556.80x = 74,755,346,677.44
  5. Step 5: Solve for x
    x = 74,755,346,677.44/241,556.80
  6. Step 6: Final answer
    x = 309,473.16

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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.