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Finding the Fourth Proportional to 573,745.41, 791,796.72 and 319,091.13

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Solution

The fourth proportional to 573,745.41, 791,796.72 and 319,091.13 is: 440,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,745.41 : 791,796.72 = 319,091.13 : x
  2. Step 2: Convert to fraction form
    573,745.41/791,796.72 = 319,091.13/x
  3. Step 3: Cross multiply
    573,745.41x = 791,796.72 × 319,091.13
  4. Step 4: Simplify right side
    573,745.41x = 252,655,310,115.09
  5. Step 5: Solve for x
    x = 252,655,310,115.09/573,745.41
  6. Step 6: Final answer
    x = 440,361.36

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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.