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Finding the Fourth Proportional to 576,131.22, 795,061.15 and 318,008.25

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Solution

The fourth proportional to 576,131.22, 795,061.15 and 318,008.25 is: 438,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,131.22 : 795,061.15 = 318,008.25 : x
  2. Step 2: Convert to fraction form
    576,131.22/795,061.15 = 318,008.25/x
  3. Step 3: Cross multiply
    576,131.22x = 795,061.15 × 318,008.25
  4. Step 4: Simplify right side
    576,131.22x = 252,836,004,954.49
  5. Step 5: Solve for x
    x = 252,836,004,954.49/576,131.22
  6. Step 6: Final answer
    x = 438,851.42

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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.