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Finding the Fourth Proportional to 451,205.34, 622,663.47 and 269,924.82

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Solution

The fourth proportional to 451,205.34, 622,663.47 and 269,924.82 is: 372,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,205.34 : 622,663.47 = 269,924.82 : x
  2. Step 2: Convert to fraction form
    451,205.34/622,663.47 = 269,924.82/x
  3. Step 3: Cross multiply
    451,205.34x = 622,663.47 × 269,924.82
  4. Step 4: Simplify right side
    451,205.34x = 168,072,325,060.33
  5. Step 5: Solve for x
    x = 168,072,325,060.33/451,205.34
  6. Step 6: Final answer
    x = 372,496.31

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1.5x scale

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.