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Finding the Fourth Proportional to 236,439, 326,241.18 and 140,954.58

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Solution

The fourth proportional to 236,439, 326,241.18 and 140,954.58 is: 194,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439 : 326,241.18 = 140,954.58 : x
  2. Step 2: Convert to fraction form
    236,439/326,241.18 = 140,954.58/x
  3. Step 3: Cross multiply
    236,439x = 326,241.18 × 140,954.58
  4. Step 4: Simplify right side
    236,439x = 45,985,188,505.60
  5. Step 5: Solve for x
    x = 45,985,188,505.60/236,439
  6. Step 6: Final answer
    x = 194,490.71

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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.