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Finding the Fourth Proportional to 534,510, 737,635.71 and 305,062.68

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Solution

The fourth proportional to 534,510, 737,635.71 and 305,062.68 is: 420,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,510 : 737,635.71 = 305,062.68 : x
  2. Step 2: Convert to fraction form
    534,510/737,635.71 = 305,062.68/x
  3. Step 3: Cross multiply
    534,510x = 737,635.71 × 305,062.68
  4. Step 4: Simplify right side
    534,510x = 225,025,126,556.30
  5. Step 5: Solve for x
    x = 225,025,126,556.30/534,510
  6. Step 6: Final answer
    x = 420,993.30

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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.