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Finding the Fourth Proportional to 534,650.52, 737,789.51 and 305,198.68

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Solution

The fourth proportional to 534,650.52, 737,789.51 and 305,198.68 is: 421,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,650.52 : 737,789.51 = 305,198.68 : x
  2. Step 2: Convert to fraction form
    534,650.52/737,789.51 = 305,198.68/x
  3. Step 3: Cross multiply
    534,650.52x = 737,789.51 × 305,198.68
  4. Step 4: Simplify right side
    534,650.52x = 225,172,383,488.37
  5. Step 5: Solve for x
    x = 225,172,383,488.37/534,650.52
  6. Step 6: Final answer
    x = 421,158.07

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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.