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Finding the Fourth Proportional to 451,134.72, 622,592 and 247,186

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Solution

The fourth proportional to 451,134.72, 622,592 and 247,186 is: 341,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,134.72 : 622,592 = 247,186 : x
  2. Step 2: Convert to fraction form
    451,134.72/622,592 = 247,186/x
  3. Step 3: Cross multiply
    451,134.72x = 622,592 × 247,186
  4. Step 4: Simplify right side
    451,134.72x = 153,896,026,112
  5. Step 5: Solve for x
    x = 153,896,026,112/451,134.72
  6. Step 6: Final answer
    x = 341,130.97

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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.