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Finding the Fourth Proportional to 299,220.96, 412,896.16 and 165,076.32

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Solution

The fourth proportional to 299,220.96, 412,896.16 and 165,076.32 is: 227,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,220.96 : 412,896.16 = 165,076.32 : x
  2. Step 2: Convert to fraction form
    299,220.96/412,896.16 = 165,076.32/x
  3. Step 3: Cross multiply
    299,220.96x = 412,896.16 × 165,076.32
  4. Step 4: Simplify right side
    299,220.96x = 68,159,378,634.93
  5. Step 5: Solve for x
    x = 68,159,378,634.93/299,220.96
  6. Step 6: Final answer
    x = 227,789.45

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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.