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Finding the Fourth Proportional to 331,244.20, 496,866.30 and 252,512.20

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Solution

The fourth proportional to 331,244.20, 496,866.30 and 252,512.20 is: 378,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,244.20 : 496,866.30 = 252,512.20 : x
  2. Step 2: Convert to fraction form
    331,244.20/496,866.30 = 252,512.20/x
  3. Step 3: Cross multiply
    331,244.20x = 496,866.30 × 252,512.20
  4. Step 4: Simplify right side
    331,244.20x = 125,464,802,518.86
  5. Step 5: Solve for x
    x = 125,464,802,518.86/331,244.20
  6. Step 6: Final answer
    x = 378,768.30

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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.