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Finding the Fourth Proportional to 576,247.82, 795,201.10 and 318,119.22

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Solution

The fourth proportional to 576,247.82, 795,201.10 and 318,119.22 is: 438,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,247.82 : 795,201.10 = 318,119.22 : x
  2. Step 2: Convert to fraction form
    576,247.82/795,201.10 = 318,119.22/x
  3. Step 3: Cross multiply
    576,247.82x = 795,201.10 × 318,119.22
  4. Step 4: Simplify right side
    576,247.82x = 252,968,752,879.84
  5. Step 5: Solve for x
    x = 252,968,752,879.84/576,247.82
  6. Step 6: Final answer
    x = 438,992.99

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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.