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Finding the Fourth Proportional to 354,238.35, 488,854.05 and 193,093.43

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Solution

The fourth proportional to 354,238.35, 488,854.05 and 193,093.43 is: 266,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,238.35 : 488,854.05 = 193,093.43 : x
  2. Step 2: Convert to fraction form
    354,238.35/488,854.05 = 193,093.43/x
  3. Step 3: Cross multiply
    354,238.35x = 488,854.05 × 193,093.43
  4. Step 4: Simplify right side
    354,238.35x = 94,394,505,283.89
  5. Step 5: Solve for x
    x = 94,394,505,283.89/354,238.35
  6. Step 6: Final answer
    x = 266,471.73

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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.