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Finding the Fourth Proportional to 304,026.09, 419,556.15 and 169,890.09

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Solution

The fourth proportional to 304,026.09, 419,556.15 and 169,890.09 is: 234,448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,026.09 : 419,556.15 = 169,890.09 : x
  2. Step 2: Convert to fraction form
    304,026.09/419,556.15 = 169,890.09/x
  3. Step 3: Cross multiply
    304,026.09x = 419,556.15 × 169,890.09
  4. Step 4: Simplify right side
    304,026.09x = 71,278,432,083.55
  5. Step 5: Solve for x
    x = 71,278,432,083.55/304,026.09
  6. Step 6: Final answer
    x = 234,448.41

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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.