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Finding the Fourth Proportional to 534,596.87, 737,743.42 and 319,736.93

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Solution

The fourth proportional to 534,596.87, 737,743.42 and 319,736.93 is: 441,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,596.87 : 737,743.42 = 319,736.93 : x
  2. Step 2: Convert to fraction form
    534,596.87/737,743.42 = 319,736.93/x
  3. Step 3: Cross multiply
    534,596.87x = 737,743.42 × 319,736.93
  4. Step 4: Simplify right side
    534,596.87x = 235,883,816,238.50
  5. Step 5: Solve for x
    x = 235,883,816,238.50/534,596.87
  6. Step 6: Final answer
    x = 441,236.81

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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.