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Finding the Fourth Proportional to 300,638.22, 414,891.63 and 166,502.22

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Solution

The fourth proportional to 300,638.22, 414,891.63 and 166,502.22 is: 229,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,638.22 : 414,891.63 = 166,502.22 : x
  2. Step 2: Convert to fraction form
    300,638.22/414,891.63 = 166,502.22/x
  3. Step 3: Cross multiply
    300,638.22x = 414,891.63 × 166,502.22
  4. Step 4: Simplify right side
    300,638.22x = 69,080,377,454.42
  5. Step 5: Solve for x
    x = 69,080,377,454.42/300,638.22
  6. Step 6: Final answer
    x = 229,779.09

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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.