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Finding the Fourth Proportional to 576,248.82, 795,202.48 and 318,120.22

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Solution

The fourth proportional to 576,248.82, 795,202.48 and 318,120.22 is: 438,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,248.82 : 795,202.48 = 318,120.22 : x
  2. Step 2: Convert to fraction form
    576,248.82/795,202.48 = 318,120.22/x
  3. Step 3: Cross multiply
    576,248.82x = 795,202.48 × 318,120.22
  4. Step 4: Simplify right side
    576,248.82x = 252,969,987,882.15
  5. Step 5: Solve for x
    x = 252,969,987,882.15/576,248.82
  6. Step 6: Final answer
    x = 438,994.37

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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.