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Finding the Fourth Proportional to 269,389.20, 404,083.80 and 174,910.80

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Solution

The fourth proportional to 269,389.20, 404,083.80 and 174,910.80 is: 262,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,389.20 : 404,083.80 = 174,910.80 : x
  2. Step 2: Convert to fraction form
    269,389.20/404,083.80 = 174,910.80/x
  3. Step 3: Cross multiply
    269,389.20x = 404,083.80 × 174,910.80
  4. Step 4: Simplify right side
    269,389.20x = 70,678,620,725.04
  5. Step 5: Solve for x
    x = 70,678,620,725.04/269,389.20
  6. Step 6: Final answer
    x = 262,366.20

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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.