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Finding the Fourth Proportional to 573,744.03, 791,794.83 and 319,089.75

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Solution

The fourth proportional to 573,744.03, 791,794.83 and 319,089.75 is: 440,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,744.03 : 791,794.83 = 319,089.75 : x
  2. Step 2: Convert to fraction form
    573,744.03/791,794.83 = 319,089.75/x
  3. Step 3: Cross multiply
    573,744.03x = 791,794.83 × 319,089.75
  4. Step 4: Simplify right side
    573,744.03x = 252,653,614,355.99
  5. Step 5: Solve for x
    x = 252,653,614,355.99/573,744.03
  6. Step 6: Final answer
    x = 440,359.47

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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.