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Finding the Fourth Proportional to 451,253.25, 622,736.37 and 247,302.51

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Solution

The fourth proportional to 451,253.25, 622,736.37 and 247,302.51 is: 341,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,253.25 : 622,736.37 = 247,302.51 : x
  2. Step 2: Convert to fraction form
    451,253.25/622,736.37 = 247,302.51/x
  3. Step 3: Cross multiply
    451,253.25x = 622,736.37 × 247,302.51
  4. Step 4: Simplify right side
    451,253.25x = 154,004,267,369.29
  5. Step 5: Solve for x
    x = 154,004,267,369.29/451,253.25
  6. Step 6: Final answer
    x = 341,281.24

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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.