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Finding the Fourth Proportional to 300,512.72, 414,707.67 and 164,555.29

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Solution

The fourth proportional to 300,512.72, 414,707.67 and 164,555.29 is: 227,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,512.72 : 414,707.67 = 164,555.29 : x
  2. Step 2: Convert to fraction form
    300,512.72/414,707.67 = 164,555.29/x
  3. Step 3: Cross multiply
    300,512.72x = 414,707.67 × 164,555.29
  4. Step 4: Simplify right side
    300,512.72x = 68,242,340,902.07
  5. Step 5: Solve for x
    x = 68,242,340,902.07/300,512.72
  6. Step 6: Final answer
    x = 227,086.36

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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.