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Finding the Fourth Proportional to 326,336.75, 450,373.22 and 190,414.49

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Solution

The fourth proportional to 326,336.75, 450,373.22 and 190,414.49 is: 262,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,336.75 : 450,373.22 = 190,414.49 : x
  2. Step 2: Convert to fraction form
    326,336.75/450,373.22 = 190,414.49/x
  3. Step 3: Cross multiply
    326,336.75x = 450,373.22 × 190,414.49
  4. Step 4: Simplify right side
    326,336.75x = 85,757,586,043.89
  5. Step 5: Solve for x
    x = 85,757,586,043.89/326,336.75
  6. Step 6: Final answer
    x = 262,788.63

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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.