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Finding the Fourth Proportional to 573,987.44, 792,102.66 and 319,338.56

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Solution

The fourth proportional to 573,987.44, 792,102.66 and 319,338.56 is: 440,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,987.44 : 792,102.66 = 319,338.56 : x
  2. Step 2: Convert to fraction form
    573,987.44/792,102.66 = 319,338.56/x
  3. Step 3: Cross multiply
    573,987.44x = 792,102.66 × 319,338.56
  4. Step 4: Simplify right side
    573,987.44x = 252,948,922,816.57
  5. Step 5: Solve for x
    x = 252,948,922,816.57/573,987.44
  6. Step 6: Final answer
    x = 440,687.21

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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.