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Finding the Fourth Proportional to 269,716.40, 404,574.60 and 92,196.80

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Solution

The fourth proportional to 269,716.40, 404,574.60 and 92,196.80 is: 138,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,716.40 : 404,574.60 = 92,196.80 : x
  2. Step 2: Convert to fraction form
    269,716.40/404,574.60 = 92,196.80/x
  3. Step 3: Cross multiply
    269,716.40x = 404,574.60 × 92,196.80
  4. Step 4: Simplify right side
    269,716.40x = 37,300,483,481.28
  5. Step 5: Solve for x
    x = 37,300,483,481.28/269,716.40
  6. Step 6: Final answer
    x = 138,295.20

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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.