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Finding the Fourth Proportional to 284,550.41, 392,223.39 and 192,640.70

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Solution

The fourth proportional to 284,550.41, 392,223.39 and 192,640.70 is: 265,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,550.41 : 392,223.39 = 192,640.70 : x
  2. Step 2: Convert to fraction form
    284,550.41/392,223.39 = 192,640.70/x
  3. Step 3: Cross multiply
    284,550.41x = 392,223.39 × 192,640.70
  4. Step 4: Simplify right side
    284,550.41x = 75,558,188,405.97
  5. Step 5: Solve for x
    x = 75,558,188,405.97/284,550.41
  6. Step 6: Final answer
    x = 265,535.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.