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Finding the Fourth Proportional to 269,449.22, 404,215.34 and 91,914.84

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Solution

The fourth proportional to 269,449.22, 404,215.34 and 91,914.84 is: 137,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,449.22 : 404,215.34 = 91,914.84 : x
  2. Step 2: Convert to fraction form
    269,449.22/404,215.34 = 91,914.84/x
  3. Step 3: Cross multiply
    269,449.22x = 404,215.34 × 91,914.84
  4. Step 4: Simplify right side
    269,449.22x = 37,153,387,842.07
  5. Step 5: Solve for x
    x = 37,153,387,842.07/269,449.22
  6. Step 6: Final answer
    x = 137,886.42

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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.