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Finding the Fourth Proportional to 573,745.92, 791,797.41 and 319,091.64

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Solution

The fourth proportional to 573,745.92, 791,797.41 and 319,091.64 is: 440,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,745.92 : 791,797.41 = 319,091.64 : x
  2. Step 2: Convert to fraction form
    573,745.92/791,797.41 = 319,091.64/x
  3. Step 3: Cross multiply
    573,745.92x = 791,797.41 × 319,091.64
  4. Step 4: Simplify right side
    573,745.92x = 252,655,934,104.65
  5. Step 5: Solve for x
    x = 252,655,934,104.65/573,745.92
  6. Step 6: Final answer
    x = 440,362.06

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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.