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Finding the Fourth Proportional to 451,167.16, 622,610.82 and 247,216.42

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Solution

The fourth proportional to 451,167.16, 622,610.82 and 247,216.42 is: 341,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,167.16 : 622,610.82 = 247,216.42 : x
  2. Step 2: Convert to fraction form
    451,167.16/622,610.82 = 247,216.42/x
  3. Step 3: Cross multiply
    451,167.16x = 622,610.82 × 247,216.42
  4. Step 4: Simplify right side
    451,167.16x = 153,919,617,973.66
  5. Step 5: Solve for x
    x = 153,919,617,973.66/451,167.16
  6. Step 6: Final answer
    x = 341,158.74

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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.