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Finding the Fourth Proportional to 269,718.60, 404,043.30 and 236,476.20

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Solution

The fourth proportional to 269,718.60, 404,043.30 and 236,476.20 is: 354,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,718.60 : 404,043.30 = 236,476.20 : x
  2. Step 2: Convert to fraction form
    269,718.60/404,043.30 = 236,476.20/x
  3. Step 3: Cross multiply
    269,718.60x = 404,043.30 × 236,476.20
  4. Step 4: Simplify right side
    269,718.60x = 95,546,624,219.46
  5. Step 5: Solve for x
    x = 95,546,624,219.46/269,718.60
  6. Step 6: Final answer
    x = 354,245.59

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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.