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Finding the Fourth Proportional to 269,454.40, 404,181.60 and 222,215.20

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Solution

The fourth proportional to 269,454.40, 404,181.60 and 222,215.20 is: 333,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,454.40 : 404,181.60 = 222,215.20 : x
  2. Step 2: Convert to fraction form
    269,454.40/404,181.60 = 222,215.20/x
  3. Step 3: Cross multiply
    269,454.40x = 404,181.60 × 222,215.20
  4. Step 4: Simplify right side
    269,454.40x = 89,815,295,080.32
  5. Step 5: Solve for x
    x = 89,815,295,080.32/269,454.40
  6. Step 6: Final answer
    x = 333,322.80

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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.