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Finding the Fourth Proportional to 576,250.56, 795,204.90 and 318,121.98

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Solution

The fourth proportional to 576,250.56, 795,204.90 and 318,121.98 is: 438,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,250.56 : 795,204.90 = 318,121.98 : x
  2. Step 2: Convert to fraction form
    576,250.56/795,204.90 = 318,121.98/x
  3. Step 3: Cross multiply
    576,250.56x = 795,204.90 × 318,121.98
  4. Step 4: Simplify right side
    576,250.56x = 252,972,157,293.70
  5. Step 5: Solve for x
    x = 252,972,157,293.70/576,250.56
  6. Step 6: Final answer
    x = 438,996.81

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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.