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Finding the Fourth Proportional to 534,754.27, 737,888.67 and 305,296.96

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Solution

The fourth proportional to 534,754.27, 737,888.67 and 305,296.96 is: 421,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,754.27 : 737,888.67 = 305,296.96 : x
  2. Step 2: Convert to fraction form
    534,754.27/737,888.67 = 305,296.96/x
  3. Step 3: Cross multiply
    534,754.27x = 737,888.67 × 305,296.96
  4. Step 4: Simplify right side
    534,754.27x = 225,275,165,924.72
  5. Step 5: Solve for x
    x = 225,275,165,924.72/534,754.27
  6. Step 6: Final answer
    x = 421,268.57

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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.