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Finding the Fourth Proportional to 573,960.44, 792,096.90 and 319,306.16

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Solution

The fourth proportional to 573,960.44, 792,096.90 and 319,306.16 is: 440,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,960.44 : 792,096.90 = 319,306.16 : x
  2. Step 2: Convert to fraction form
    573,960.44/792,096.90 = 319,306.16/x
  3. Step 3: Cross multiply
    573,960.44x = 792,096.90 × 319,306.16
  4. Step 4: Simplify right side
    573,960.44x = 252,921,419,486.90
  5. Step 5: Solve for x
    x = 252,921,419,486.90/573,960.44
  6. Step 6: Final answer
    x = 440,660.02

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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.