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Finding the Fourth Proportional to 451,249.75, 622,731.54 and 247,299.01

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Solution

The fourth proportional to 451,249.75, 622,731.54 and 247,299.01 is: 341,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,249.75 : 622,731.54 = 247,299.01 : x
  2. Step 2: Convert to fraction form
    451,249.75/622,731.54 = 247,299.01/x
  3. Step 3: Cross multiply
    451,249.75x = 622,731.54 × 247,299.01
  4. Step 4: Simplify right side
    451,249.75x = 154,000,893,337.78
  5. Step 5: Solve for x
    x = 154,000,893,337.78/451,249.75
  6. Step 6: Final answer
    x = 341,276.41

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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.