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Finding the Fourth Proportional to 573,584.82, 791,542.14 and 318,933.78

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Solution

The fourth proportional to 573,584.82, 791,542.14 and 318,933.78 is: 440,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,584.82 : 791,542.14 = 318,933.78 : x
  2. Step 2: Convert to fraction form
    573,584.82/791,542.14 = 318,933.78/x
  3. Step 3: Cross multiply
    573,584.82x = 791,542.14 × 318,933.78
  4. Step 4: Simplify right side
    573,584.82x = 252,449,526,739.49
  5. Step 5: Solve for x
    x = 252,449,526,739.49/573,584.82
  6. Step 6: Final answer
    x = 440,125.89

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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.