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Finding the Fourth Proportional to 300,622.70, 414,858.42 and 169,786.02

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Solution

The fourth proportional to 300,622.70, 414,858.42 and 169,786.02 is: 234,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,622.70 : 414,858.42 = 169,786.02 : x
  2. Step 2: Convert to fraction form
    300,622.70/414,858.42 = 169,786.02/x
  3. Step 3: Cross multiply
    300,622.70x = 414,858.42 × 169,786.02
  4. Step 4: Simplify right side
    300,622.70x = 70,437,159,995.29
  5. Step 5: Solve for x
    x = 70,437,159,995.29/300,622.70
  6. Step 6: Final answer
    x = 234,304.20

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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.