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Finding the Fourth Proportional to 269,664.60, 404,496.90 and 253,043.40

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Solution

The fourth proportional to 269,664.60, 404,496.90 and 253,043.40 is: 379,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,664.60 : 404,496.90 = 253,043.40 : x
  2. Step 2: Convert to fraction form
    269,664.60/404,496.90 = 253,043.40/x
  3. Step 3: Cross multiply
    269,664.60x = 404,496.90 × 253,043.40
  4. Step 4: Simplify right side
    269,664.60x = 102,355,270,865.46
  5. Step 5: Solve for x
    x = 102,355,270,865.46/269,664.60
  6. Step 6: Final answer
    x = 379,565.10

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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.