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Finding the Fourth Proportional to 576,167.41, 795,163.80 and 318,090.61

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Solution

The fourth proportional to 576,167.41, 795,163.80 and 318,090.61 is: 438,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,167.41 : 795,163.80 = 318,090.61 : x
  2. Step 2: Convert to fraction form
    576,167.41/795,163.80 = 318,090.61/x
  3. Step 3: Cross multiply
    576,167.41x = 795,163.80 × 318,090.61
  4. Step 4: Simplify right side
    576,167.41x = 252,934,138,191.92
  5. Step 5: Solve for x
    x = 252,934,138,191.92/576,167.41
  6. Step 6: Final answer
    x = 438,994.18

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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.