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Finding the Fourth Proportional to 269,411.40, 404,894.70 and 264,745.80

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Solution

The fourth proportional to 269,411.40, 404,894.70 and 264,745.80 is: 397,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,411.40 : 404,894.70 = 264,745.80 : x
  2. Step 2: Convert to fraction form
    269,411.40/404,894.70 = 264,745.80/x
  3. Step 3: Cross multiply
    269,411.40x = 404,894.70 × 264,745.80
  4. Step 4: Simplify right side
    269,411.40x = 107,194,171,267.26
  5. Step 5: Solve for x
    x = 107,194,171,267.26/269,411.40
  6. Step 6: Final answer
    x = 397,882.83

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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.