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Finding the Fourth Proportional to 451,098.08, 622,515.20 and 247,162

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Solution

The fourth proportional to 451,098.08, 622,515.20 and 247,162 is: 341,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,098.08 : 622,515.20 = 247,162 : x
  2. Step 2: Convert to fraction form
    451,098.08/622,515.20 = 247,162/x
  3. Step 3: Cross multiply
    451,098.08x = 622,515.20 × 247,162
  4. Step 4: Simplify right side
    451,098.08x = 153,862,101,862.40
  5. Step 5: Solve for x
    x = 153,862,101,862.40/451,098.08
  6. Step 6: Final answer
    x = 341,083.48

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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.