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Finding the Fourth Proportional to 269,190.52, 403,792.26 and 128,794.84

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Solution

The fourth proportional to 269,190.52, 403,792.26 and 128,794.84 is: 193,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,190.52 : 403,792.26 = 128,794.84 : x
  2. Step 2: Convert to fraction form
    269,190.52/403,792.26 = 128,794.84/x
  3. Step 3: Cross multiply
    269,190.52x = 403,792.26 × 128,794.84
  4. Step 4: Simplify right side
    269,190.52x = 52,006,359,519.94
  5. Step 5: Solve for x
    x = 52,006,359,519.94/269,190.52
  6. Step 6: Final answer
    x = 193,195.36

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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.