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Finding the Fourth Proportional to 576,244.41, 795,230.07 and 318,120.78

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Solution

The fourth proportional to 576,244.41, 795,230.07 and 318,120.78 is: 439,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,244.41 : 795,230.07 = 318,120.78 : x
  2. Step 2: Convert to fraction form
    576,244.41/795,230.07 = 318,120.78/x
  3. Step 3: Cross multiply
    576,244.41x = 795,230.07 × 318,120.78
  4. Step 4: Simplify right side
    576,244.41x = 252,979,210,147.86
  5. Step 5: Solve for x
    x = 252,979,210,147.86/576,244.41
  6. Step 6: Final answer
    x = 439,013.73

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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.