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Finding the Fourth Proportional to 573,669.84, 791,571.24 and 319,014.48

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Solution

The fourth proportional to 573,669.84, 791,571.24 and 319,014.48 is: 440,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,669.84 : 791,571.24 = 319,014.48 : x
  2. Step 2: Convert to fraction form
    573,669.84/791,571.24 = 319,014.48/x
  3. Step 3: Cross multiply
    573,669.84x = 791,571.24 × 319,014.48
  4. Step 4: Simplify right side
    573,669.84x = 252,522,687,511.56
  5. Step 5: Solve for x
    x = 252,522,687,511.56/573,669.84
  6. Step 6: Final answer
    x = 440,188.19

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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.