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Finding the Fourth Proportional to 534,777.69, 737,923.05 and 319,839.33

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Solution

The fourth proportional to 534,777.69, 737,923.05 and 319,839.33 is: 441,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,777.69 : 737,923.05 = 319,839.33 : x
  2. Step 2: Convert to fraction form
    534,777.69/737,923.05 = 319,839.33/x
  3. Step 3: Cross multiply
    534,777.69x = 737,923.05 × 319,839.33
  4. Step 4: Simplify right side
    534,777.69x = 236,016,813,903.56
  5. Step 5: Solve for x
    x = 236,016,813,903.56/534,777.69
  6. Step 6: Final answer
    x = 441,336.31

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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.