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Finding the Fourth Proportional to 451,073.35, 622,454.51 and 247,083.76

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Solution

The fourth proportional to 451,073.35, 622,454.51 and 247,083.76 is: 340,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,073.35 : 622,454.51 = 247,083.76 : x
  2. Step 2: Convert to fraction form
    451,073.35/622,454.51 = 247,083.76/x
  3. Step 3: Cross multiply
    451,073.35x = 622,454.51 × 247,083.76
  4. Step 4: Simplify right side
    451,073.35x = 153,798,396,412.07
  5. Step 5: Solve for x
    x = 153,798,396,412.07/451,073.35
  6. Step 6: Final answer
    x = 340,960.95

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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.