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Finding the Fourth Proportional to 251,434.60, 377,589.30 and 133,336.60

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Solution

The fourth proportional to 251,434.60, 377,589.30 and 133,336.60 is: 200,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,434.60 : 377,589.30 = 133,336.60 : x
  2. Step 2: Convert to fraction form
    251,434.60/377,589.30 = 133,336.60/x
  3. Step 3: Cross multiply
    251,434.60x = 377,589.30 × 133,336.60
  4. Step 4: Simplify right side
    251,434.60x = 50,346,473,458.38
  5. Step 5: Solve for x
    x = 50,346,473,458.38/251,434.60
  6. Step 6: Final answer
    x = 200,236.85

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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.